12172062704 has 40 divisors (see below), whose sum is σ = 24507657600. Its totient is φ = 5850144000.

The previous prime is 12172062689. The next prime is 12172062709. The reversal of 12172062704 is 40726027121.

It is a super-2 number, since 2×12172062704² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172062709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8447 + ... + 156254.

It is an arithmetic number, because the mean of its divisors is an integer number (612691440).

Almost surely, 2^12172062704 is an apocalyptic number.

It is an amenable number.

12172062704 is an abundant number, since it is smaller than the sum of its proper divisors (12335594896).

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

12172062704 is a wasteful number, since it uses less digits than its factorization.

12172062704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164889 (or 164883 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 12172062704 its reverse (40726027121), we get a palindrome (52898089825).

The spelling of 12172062704 in words is "twelve billion, one hundred seventy-two million, sixty-two thousand, seven hundred four".