172022202331012 has 24 divisors (see below), whose sum is σ = 328416002187840. Its totient is φ = 78189534065760.

The previous prime is 172022202330961. The next prime is 172022202331079. The reversal of 172022202331012 is 210133202220271.

It is a happy 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, 57937312 + ... + 60834007.

It is an arithmetic number, because the mean of its divisors is an integer number (13684000091160).

Almost surely, 2^{172022202331012} is an apocalyptic number.

It is an amenable number.

172022202331012 is a deficient number, since it is larger than the sum of its proper divisors (156393799856828).

172022202331012 is a wasteful number, since it uses less digits than its factorization.

172022202331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118804251 (or 118804249 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 172022202331012 its reverse (210133202220271), we get a palindrome (382155404551283).

The spelling of 172022202331012 in words is "one hundred seventy-two trillion, twenty-two billion, two hundred two million, three hundred thirty-one thousand, twelve".