172976801212 has 6 divisors (see below), whose sum is σ = 302709402128. Its totient is φ = 86488400604.

The previous prime is 172976801191. The next prime is 172976801213. The reversal of 172976801212 is 212108679271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172976801213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21622100148 + ... + 21622100155.

Almost surely, 2^172976801212 is an apocalyptic number.

It is an amenable number.

172976801212 is a deficient number, since it is larger than the sum of its proper divisors (129732600916).

172976801212 is a wasteful number, since it uses less digits than its factorization.

172976801212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43244200307 (or 43244200305 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 172976801212 in words is "one hundred seventy-two billion, nine hundred seventy-six million, eight hundred one thousand, two hundred twelve".