172212368090 has 16 divisors (see below), whose sum is σ = 354265443072. Its totient is φ = 59044240464.

The previous prime is 172212368089. The next prime is 172212368129. The reversal of 172212368090 is 90863212271.

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, 1230088274 + ... + 1230088413.

It is an arithmetic number, because the mean of its divisors is an integer number (22141590192).

Almost surely, 2^172212368090 is an apocalyptic number.

172212368090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172212368090 is an abundant number, since it is smaller than the sum of its proper divisors (182053074982).

172212368090 is a wasteful number, since it uses less digits than its factorization.

172212368090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460176701.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 172212368090 in words is "one hundred seventy-two billion, two hundred twelve million, three hundred sixty-eight thousand, ninety".