21132622124 has 24 divisors (see below), whose sum is σ = 37666078800. Its totient is φ = 10371430080.

The previous prime is 21132622109. The next prime is 21132622127. The reversal of 21132622124 is 42122623112.

It is a junction number, because it is equal to n+sod(n) for n = 21132622093 and 21132622102.

It is not an unprimeable number, because it can be changed into a prime (21132622127) 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, 88262 + ... + 223730.

It is an arithmetic number, because the mean of its divisors is an integer number (1569419950).

Almost surely, 2^21132622124 is an apocalyptic number.

It is an amenable number.

21132622124 is a deficient number, since it is larger than the sum of its proper divisors (16533456676).

21132622124 is a wasteful number, since it uses less digits than its factorization.

21132622124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136193 (or 136191 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The spelling of 21132622124 in words is "twenty-one billion, one hundred thirty-two million, six hundred twenty-two thousand, one hundred twenty-four".