21602364076012 has 6 divisors (see below), whose sum is σ = 37804137133028. Its totient is φ = 10801182038004.

The previous prime is 21602364075977. The next prime is 21602364076043. The reversal of 21602364076012 is 21067046320612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700295509498 + ... + 2700295509505.

Almost surely, 2^{21602364076012} is an apocalyptic number.

It is an amenable number.

21602364076012 is a deficient number, since it is larger than the sum of its proper divisors (16201773057016).

21602364076012 is a wasteful number, since it uses less digits than its factorization.

21602364076012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400591019007 (or 5400591019005 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 21602364076012 in words is "twenty-one trillion, six hundred two billion, three hundred sixty-four million, seventy-six thousand, twelve".