123021322312200 has 96 divisors (see below), whose sum is σ = 410701952976000. Its totient is φ = 30282171644160.

The previous prime is 123021322312171. The next prime is 123021322312201. The reversal of 123021322312200 is 2213223120321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (123021322312201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7885974400 + ... + 7885989999.

It is an arithmetic number, because the mean of its divisors is an integer number (4278145343500).

Almost surely, 2^{123021322312200} is an apocalyptic number.

123021322312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123021322312200 is an abundant number, since it is smaller than the sum of its proper divisors (287680630663800).

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

123021322312200 is a wasteful number, since it uses less digits than its factorization.

123021322312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771964431 (or 15771964422 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123021322312200 its reverse (2213223120321), we get a palindrome (125234545432521).

The spelling of 123021322312200 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred twenty-two million, three hundred twelve thousand, two hundred".