12172322190 has 64 divisors (see below), whose sum is σ = 33641879040. Its totient is φ = 2761000320.

The previous prime is 12172322161. The next prime is 12172322191. The reversal of 12172322190 is 9122327121.

12172322190 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12172322190² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172322191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193725 + ... + 248744.

It is an arithmetic number, because the mean of its divisors is an integer number (525654360).

Almost surely, 2^12172322190 is an apocalyptic number.

12172322190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12172322190 is an abundant number, since it is smaller than the sum of its proper divisors (21469556850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12172322190 is a wasteful number, since it uses less digits than its factorization.

12172322190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442617.

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 12172322190 in words is "twelve billion, one hundred seventy-two million, three hundred twenty-two thousand, one hundred ninety".