123031021202000 has 80 divisors (see below), whose sum is σ = 300377252577792. Its totient is φ = 48734618025600.

The previous prime is 123031021201997. The next prime is 123031021202039. The reversal of 123031021202000 is 202120130321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 123031021202000.

It is a congruent number.

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, 298412984 + ... + 298824983.

Almost surely, 2^{123031021202000} is an apocalyptic number.

123031021202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031021202000 is an abundant number, since it is smaller than the sum of its proper divisors (177346231375792).

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

123031021202000 is a wasteful number, since it uses less digits than its factorization.

123031021202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597238093 (or 597238077 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123031021202000 its reverse (202120130321), we get a palindrome (123233141332321).

The spelling of 123031021202000 in words is "one hundred twenty-three trillion, thirty-one billion, twenty-one million, two hundred two thousand".