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121023002202330 = 23543733166376963
BaseRepresentation
bin11011100001000111011101…
…000011100101000011011010
3120212111200112002220102001010
4123201013131003211003122
5111330320102030433310
61105221111044234350
734330423546344444
oct3341073503450332
9525450462812033
10121023002202330
113561a626753178
12116a709a69b9b6
13526b560075c07
1421c578a3b9494
15ded1454b4320
hex6e11dd0e50da

121023002202330 has 128 divisors (see below), whose sum is σ = 297798280445952. Its totient is φ = 31459927903488.

The previous prime is 121023002202251. The next prime is 121023002202331. The reversal of 121023002202330 is 33202200320121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121023002202297 and 121023002202306.

It is not an unprimeable number, because it can be changed into a prime (121023002202331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1572444429 + ... + 1572521391.

It is an arithmetic number, because the mean of its divisors is an integer number (2326549065984).

Almost surely, 2121023002202330 is an apocalyptic number.

121023002202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121023002202330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148899140222976).

121023002202330 is an abundant number, since it is smaller than the sum of its proper divisors (176775278243622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121023002202330 is a wasteful number, since it uses less digits than its factorization.

121023002202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79412.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121023002202330 its reverse (33202200320121), we get a palindrome (154225202522451).

The spelling of 121023002202330 in words is "one hundred twenty-one trillion, twenty-three billion, two million, two hundred two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 733 1290 1466 1663 2199 3326 3665 4398 4989 7330 8315 9978 10995 16630 21990 24945 31519 49890 63038 71509 76963 94557 143018 153926 157595 189114 214527 230889 315190 357545 384815 429054 461778 472785 715090 769630 945570 1072635 1154445 1218979 2145270 2308890 2437958 3309409 3656937 6094895 6618818 7313874 9928227 12189790 16547045 18284685 19856454 33094090 36569370 49641135 52416097 56413879 99282270 104832194 112827758 127989469 157248291 169241637 255978938 262080485 282069395 314496582 338483274 383968407 524160970 564138790 639947345 767936814 786241455 846208185 1279894690 1572482910 1692416370 1919842035 2425796797 3839684070 4851593594 5503547167 7277390391 11007094334 12128983985 14554780782 16510641501 24257967970 27517735835 33021283002 36386951955 55035471670 72773903910 82553207505 93816280777 165106415010 187632561554 281448842331 469081403885 562897684662 938162807770 1407244211655 2814488423310 4034100073411 8068200146822 12102300220233 20170500367055 24204600440466 40341000734110 60511501101165 121023002202330