21303012400104 has 64 divisors (see below), whose sum is σ = 53670836275200. Its totient is φ = 7046037533376.

The previous prime is 21303012400049. The next prime is 21303012400133. The reversal of 21303012400104 is 40100421030312.

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, 1977144 + ... + 6820199.

It is an arithmetic number, because the mean of its divisors is an integer number (838606816800).

Almost surely, 2^{21303012400104} is an apocalyptic number.

21303012400104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21303012400104 is an abundant number, since it is smaller than the sum of its proper divisors (32367823875096).

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

21303012400104 is a wasteful number, since it uses less digits than its factorization.

21303012400104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798134 (or 8798130 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21303012400104 its reverse (40100421030312), we get a palindrome (61403433430416).

The spelling of 21303012400104 in words is "twenty-one trillion, three hundred three billion, twelve million, four hundred thousand, one hundred four".