21602417077612 has 24 divisors (see below), whose sum is σ = 43205287309856. Its totient is φ = 9258081643008.

The previous prime is 21602417077573. The next prime is 21602417077669. The reversal of 21602417077612 is 21677071420612.

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, 1295973 + ... + 6699580.

Almost surely, 2^{21602417077612} is an apocalyptic number.

It is an amenable number.

21602417077612 is an abundant number, since it is smaller than the sum of its proper divisors (21602870232244).

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

21602417077612 is a wasteful number, since it uses less digits than its factorization.

21602417077612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092057 (or 8092055 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 21602417077612 in words is "twenty-one trillion, six hundred two billion, four hundred seventeen million, seventy-seven thousand, six hundred twelve".