100217622172 has 12 divisors (see below), whose sum is σ = 175387983120. Its totient is φ = 50106769856.

The previous prime is 100217622139. The next prime is 100217622187. The reversal of 100217622172 is 271226712001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397048 + ... + 598399.

It is an arithmetic number, because the mean of its divisors is an integer number (14615665260).

Almost surely, 2^100217622172 is an apocalyptic number.

It is an amenable number.

100217622172 is a deficient number, since it is larger than the sum of its proper divisors (75170360948).

100217622172 is a wasteful number, since it uses less digits than its factorization.

100217622172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020620 (or 1020618 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 100217622172 in words is "one hundred billion, two hundred seventeen million, six hundred twenty-two thousand, one hundred seventy-two".