123302211022100 has 72 divisors (see below), whose sum is σ = 293402345089728. Its totient is φ = 44604850636800.

The previous prime is 123302211022097. The next prime is 123302211022141. The reversal of 123302211022100 is 1220112203321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290183864 + ... + 290608463.

Almost surely, 2^{123302211022100} is an apocalyptic number.

123302211022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302211022100 is an abundant number, since it is smaller than the sum of its proper divisors (170100134067628).

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

123302211022100 is a wasteful number, since it uses less digits than its factorization.

123302211022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580792545 (or 580792538 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123302211022100 its reverse (1220112203321), we get a palindrome (124522323225421).

The spelling of 123302211022100 in words is "one hundred twenty-three trillion, three hundred two billion, two hundred eleven million, twenty-two thousand, one hundred".