21502433030132 has 24 divisors (see below), whose sum is σ = 37635721804800. Its totient is φ = 10749369868160.

The previous prime is 21502433030119. The next prime is 21502433030207. The reversal of 21502433030132 is 23103033420512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21502433030095 and 21502433030104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137745619 + ... + 1137764517.

It is an arithmetic number, because the mean of its divisors is an integer number (1568155075200).

Almost surely, 2^{21502433030132} is an apocalyptic number.

It is an amenable number.

21502433030132 is a deficient number, since it is larger than the sum of its proper divisors (16133288774668).

21502433030132 is a wasteful number, since it uses less digits than its factorization.

21502433030132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52711 (or 52709 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 21502433030132 its reverse (23103033420512), we get a palindrome (44605466450644).

The spelling of 21502433030132 in words is "twenty-one trillion, five hundred two billion, four hundred thirty-three million, thirty thousand, one hundred thirty-two".