123202201321012 has 24 divisors (see below), whose sum is σ = 235479940228512. Its totient is φ = 55935348765600.

The previous prime is 123202201320977. The next prime is 123202201321019. The reversal of 123202201321012 is 210123102202321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202201321019) 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, 1641257914 + ... + 1641332977.

It is an arithmetic number, because the mean of its divisors is an integer number (9811664176188).

Almost surely, 2^{123202201321012} is an apocalyptic number.

It is an amenable number.

123202201321012 is a deficient number, since it is larger than the sum of its proper divisors (112277738907500).

123202201321012 is a wasteful number, since it uses less digits than its factorization.

123202201321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282591759 (or 3282591757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123202201321012 its reverse (210123102202321), we get a palindrome (333325303523333).

The spelling of 123202201321012 in words is "one hundred twenty-three trillion, two hundred two billion, two hundred one million, three hundred twenty-one thousand, twelve".