21612634627232 has 48 divisors (see below), whose sum is σ = 48018667082400. Its totient is φ = 9485168797440.

The previous prime is 21612634627229. The next prime is 21612634627277. The reversal of 21612634627232 is 23272643621612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058602382 + ... + 1058622797.

It is an arithmetic number, because the mean of its divisors is an integer number (1000388897550).

Almost surely, 2^{21612634627232} is an apocalyptic number.

21612634627232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21612634627232 is an abundant number, since it is smaller than the sum of its proper divisors (26406032455168).

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

21612634627232 is a wasteful number, since it uses less digits than its factorization.

21612634627232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117225229 (or 2117225221 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 47.

The spelling of 21612634627232 in words is "twenty-one trillion, six hundred twelve billion, six hundred thirty-four million, six hundred twenty-seven thousand, two hundred thirty-two".