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121210002210210 = 23513929067146813
BaseRepresentation
bin11011100011110101100111…
…000111111111110110100010
3120220011120012110102001212220
4123203311213013333312202
5111341401041031211320
61105443034543331510
734350063564236004
oct3343654707776642
9526146173361786
10121210002210210
1135691967344931
12117173885b0b96
135283091cc6b54
1421d0849b34374
15e02e3c4d8e40
hex6e3d671ffda2

121210002210210 has 32 divisors (see below), whose sum is σ = 292996839885120. Its totient is φ = 32090130080448.

The previous prime is 121210002210151. The next prime is 121210002210223. The reversal of 121210002210210 is 12012200012121.

121210002210210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1212100022102102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121210002210210.

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, 14533569237 + ... + 14533577576.

It is an arithmetic number, because the mean of its divisors is an integer number (9156151246410).

Almost surely, 2121210002210210 is an apocalyptic number.

121210002210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210002210210 is an abundant number, since it is smaller than the sum of its proper divisors (171786837674910).

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

121210002210210 is a wasteful number, since it uses less digits than its factorization.

121210002210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29067146962.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121210002210210 its reverse (12012200012121), we get a palindrome (133222202222331).

The spelling of 121210002210210 in words is "one hundred twenty-one trillion, two hundred ten billion, two million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 139 278 417 695 834 1390 2085 4170 29067146813 58134293626 87201440439 145335734065 174402880878 290671468130 436007202195 872014404390 4040333407007 8080666814014 12121000221021 20201667035035 24242000442042 40403334070070 60605001105105 121210002210210