123020113211202 has 32 divisors (see below), whose sum is σ = 249616821104640. Its totient is φ = 40411120287440.

The previous prime is 123020113211069. The next prime is 123020113211287. The reversal of 123020113211202 is 202112311020321.

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, 63418002 + ... + 65329037.

It is an arithmetic number, because the mean of its divisors is an integer number (7800525659520).

Almost surely, 2^{123020113211202} is an apocalyptic number.

123020113211202 is an abundant number, since it is smaller than the sum of its proper divisors (126596707893438).

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

123020113211202 is a wasteful number, since it uses less digits than its factorization.

123020113211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128749358.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123020113211202 its reverse (202112311020321), we get a palindrome (325132424231523).

The spelling of 123020113211202 in words is "one hundred twenty-three trillion, twenty billion, one hundred thirteen million, two hundred eleven thousand, two hundred two".