123412872002 has 16 divisors (see below), whose sum is σ = 224009919360. Its totient is φ = 49779981888.

The previous prime is 123412871993. The next prime is 123412872007. The reversal of 123412872002 is 200278214321.

It is a self number, because there is not a number n which added to its sum of digits gives 123412872002.

It is not an unprimeable number, because it can be changed into a prime (123412872007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259270502 + ... + 259270977.

It is an arithmetic number, because the mean of its divisors is an integer number (14000619960).

Almost surely, 2^123412872002 is an apocalyptic number.

123412872002 is a deficient number, since it is larger than the sum of its proper divisors (100597047358).

123412872002 is a wasteful number, since it uses less digits than its factorization.

123412872002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518541505.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 123412872002 in words is "one hundred twenty-three billion, four hundred twelve million, eight hundred seventy-two thousand, two".