123101321211210 has 32 divisors (see below), whose sum is σ = 299604342333312. Its totient is φ = 32364666608960.

The previous prime is 123101321211179. The next prime is 123101321211223. The reversal of 123101321211210 is 12112123101321.

It is a super-2 number, since 2×123101321211210² (a number of 29 digits) contains 22 as substring.

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, 28897021629 + ... + 28897025888.

It is an arithmetic number, because the mean of its divisors is an integer number (9362635697916).

Almost surely, 2^{123101321211210} is an apocalyptic number.

123101321211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123101321211210 is an abundant number, since it is smaller than the sum of its proper divisors (176503021122102).

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

123101321211210 is a wasteful number, since it uses less digits than its factorization.

123101321211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57794047598.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 123101321211210 its reverse (12112123101321), we get a palindrome (135213444312531).

The spelling of 123101321211210 in words is "one hundred twenty-three trillion, one hundred one billion, three hundred twenty-one million, two hundred eleven thousand, two hundred ten".