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120121202012120 = 23533612085742839
BaseRepresentation
bin11011010011111111100101…
…100100110110111111011000
3120202022110211002202012002022
4123103333211210312333120
5111221031210203341440
61103250530212354012
734205320236245111
oct3323774544667730
9522273732665068
10120121202012120
113530212aa89881
1211580363615908
1352044c46612ca
142193c7bcab208
15dd4964de2cb5
hex6d3fe5936fd8

120121202012120 has 64 divisors (see below), whose sum is σ = 270372392337600. Its totient is φ = 48030760673280.

The previous prime is 120121202012113. The next prime is 120121202012159. The reversal of 120121202012120 is 21210202121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803993661 + ... + 2804036499.

It is an arithmetic number, because the mean of its divisors is an integer number (4224568630275).

Almost surely, 2120121202012120 is an apocalyptic number.

120121202012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121202012120 is an abundant number, since it is smaller than the sum of its proper divisors (150251190325480).

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

120121202012120 is a wasteful number, since it uses less digits than its factorization.

120121202012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67068 (or 67064 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120121202012120 its reverse (21210202121021), we get a palindrome (141331404133141).

The spelling of 120121202012120 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred two million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3361 6722 13444 16805 20857 26888 33610 41714 42839 67220 83428 85678 104285 134440 166856 171356 208570 214195 342712 417140 428390 834280 856780 1713560 70100377 140200754 143981879 280401508 287963758 350501885 560803016 575927516 701003770 719909395 893493023 1151855032 1402007540 1439818790 1786986046 2804015080 2879637580 3573972092 4467465115 5759275160 7147944184 8934930230 17869860460 35739720920 3003030050303 6006060100606 12012120201212 15015150251515 24024240402424 30030300503030 60060601006060 120121202012120