123112332010100 has 36 divisors (see below), whose sum is σ = 267155163475200. Its totient is φ = 49244674184160.

The previous prime is 123112332010097. The next prime is 123112332010111. The reversal of 123112332010100 is 1010233211321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16503341 + ... + 22772459.

It is an arithmetic number, because the mean of its divisors is an integer number (7420976763200).

Almost surely, 2^{123112332010100} is an apocalyptic number.

123112332010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112332010100 is an abundant number, since it is smaller than the sum of its proper divisors (144042831465100).

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

123112332010100 is a wasteful number, since it uses less digits than its factorization.

123112332010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465512 (or 6465505 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123112332010100 its reverse (1010233211321), we get a palindrome (124122565221421).

The spelling of 123112332010100 in words is "one hundred twenty-three trillion, one hundred twelve billion, three hundred thirty-two million, ten thousand, one hundred".