172574412212 has 24 divisors (see below), whose sum is σ = 306354018432. Its totient is φ = 85046328000.

The previous prime is 172574412193. The next prime is 172574412223. The reversal of 172574412212 is 212214475271.

It is a congruent number.

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, 220037 + ... + 627347.

It is an arithmetic number, because the mean of its divisors is an integer number (12764750768).

Almost surely, 2^172574412212 is an apocalyptic number.

It is an amenable number.

172574412212 is a deficient number, since it is larger than the sum of its proper divisors (133779606220).

172574412212 is a wasteful number, since it uses less digits than its factorization.

172574412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408839 (or 408837 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

Adding to 172574412212 its reverse (212214475271), we get a palindrome (384788887483).

The spelling of 172574412212 in words is "one hundred seventy-two billion, five hundred seventy-four million, four hundred twelve thousand, two hundred twelve".