123101322111312 has 80 divisors (see below), whose sum is σ = 331969983715968. Its totient is φ = 39234126919680.

The previous prime is 123101322111293. The next prime is 123101322111329. The reversal of 123101322111312 is 213111223101321.

It is a super-2 number, since 2×123101322111312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 19332013 + ... + 24898380.

Almost surely, 2^{123101322111312} is an apocalyptic number.

123101322111312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123101322111312 is an abundant number, since it is smaller than the sum of its proper divisors (208868661604656).

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

123101322111312 is a wasteful number, since it uses less digits than its factorization.

123101322111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44232948 (or 44232942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 123101322111312 its reverse (213111223101321), we get a palindrome (336212545212633).

Subtracting 123101322111312 from its reverse (213111223101321), we obtain a palindrome (90009900990009).

The spelling of 123101322111312 in words is "one hundred twenty-three trillion, one hundred one billion, three hundred twenty-two million, one hundred eleven thousand, three hundred twelve".