21412256122632 has 32 divisors (see below), whose sum is σ = 54977414371200. Its totient is φ = 6944515498944.

The previous prime is 21412256122613. The next prime is 21412256122633. The reversal of 21412256122632 is 23622165221412.

It is a super-2 number, since 2×21412256122632² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21412256122633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12056449632 + ... + 12056451407.

It is an arithmetic number, because the mean of its divisors is an integer number (1718044199100).

Almost surely, 2^{21412256122632} is an apocalyptic number.

It is an amenable number.

21412256122632 is an abundant number, since it is smaller than the sum of its proper divisors (33565158248568).

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

21412256122632 is a wasteful number, since it uses less digits than its factorization.

21412256122632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24112901085 (or 24112901081 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The spelling of 21412256122632 in words is "twenty-one trillion, four hundred twelve billion, two hundred fifty-six million, one hundred twenty-two thousand, six hundred thirty-two".