123100131213000 has 1024 divisors, whose sum is σ = 458122486348800. Its totient is φ = 30468191846400.

The previous prime is 123100131212969. The next prime is 123100131213041. The reversal of 123100131213000 is 312131001321.

123100131213000 is a `hidden beast` number, since 1 + 2 + 310 + 0 + 1 + 31 + 21 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 23505846382 + ... + 23505851618.

It is an arithmetic number, because the mean of its divisors is an integer number (447385240575).

Almost surely, 2^{123100131213000} is an apocalyptic number.

123100131213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123100131213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229061243174400).

123100131213000 is an abundant number, since it is smaller than the sum of its proper divisors (335022355135800).

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

123100131213000 is a wasteful number, since it uses less digits than its factorization.

123100131213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984 (or 5964 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123100131213000 its reverse (312131001321), we get a palindrome (123412262214321).

The spelling of 123100131213000 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, two hundred thirteen thousand".