21602353771312 has 40 divisors (see below), whose sum is σ = 42097718448576. Its totient is φ = 10738430063616.

The previous prime is 21602353771307. The next prime is 21602353771319. The reversal of 21602353771312 is 21317735320612.

It is not an unprimeable number, because it can be changed into a prime (21602353771319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116875033 + ... + 117059719.

Almost surely, 2^{21602353771312} is an apocalyptic number.

It is an amenable number.

21602353771312 is a deficient number, since it is larger than the sum of its proper divisors (20495364677264).

21602353771312 is a wasteful number, since it uses less digits than its factorization.

21602353771312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227125 (or 227119 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 21602353771312 in words is "twenty-one trillion, six hundred two billion, three hundred fifty-three million, seven hundred seventy-one thousand, three hundred twelve".