21123202332300 has 144 divisors (see below), whose sum is σ = 61175384524800. Its totient is φ = 5627426201600.

The previous prime is 21123202332293. The next prime is 21123202332311. The reversal of 21123202332300 is 323320232112.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2095758661 + ... + 2095768739.

It is an arithmetic number, because the mean of its divisors is an integer number (424829059200).

Almost surely, 2^{21123202332300} is an apocalyptic number.

21123202332300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21123202332300 is an abundant number, since it is smaller than the sum of its proper divisors (40052182192500).

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

21123202332300 is a wasteful number, since it uses less digits than its factorization.

21123202332300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136 (or 16129 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21123202332300 its reverse (323320232112), we get a palindrome (21446522564412).

The spelling of 21123202332300 in words is "twenty-one trillion, one hundred twenty-three billion, two hundred two million, three hundred thirty-two thousand, three hundred".