1212901623102 has 32 divisors (see below), whose sum is σ = 2623811410080. Its totient is φ = 371570797440.

The previous prime is 1212901623091. The next prime is 1212901623149. The reversal of 1212901623102 is 2013261092121.

It is a super-2 number, since 2×1212901623102² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212901623102.

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, 33934149 + ... + 33969872.

It is an arithmetic number, because the mean of its divisors is an integer number (81994106565).

Almost surely, 2^{1212901623102} is an apocalyptic number.

1212901623102 is an abundant number, since it is smaller than the sum of its proper divisors (1410909786978).

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

1212901623102 is a wasteful number, since it uses less digits than its factorization.

1212901623102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67904268.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 1212901623102 in words is "one trillion, two hundred twelve billion, nine hundred one million, six hundred twenty-three thousand, one hundred two".