12165361372 has 24 divisors (see below), whose sum is σ = 22443724800. Its totient is φ = 5761218480.

The previous prime is 12165361367. The next prime is 12165361391. The reversal of 12165361372 is 27316356121.

It is a super-2 number, since 2×12165361372² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1037872 + ... + 1049527.

It is an arithmetic number, because the mean of its divisors is an integer number (935155200).

Almost surely, 2^12165361372 is an apocalyptic number.

It is an amenable number.

12165361372 is a deficient number, since it is larger than the sum of its proper divisors (10278363428).

12165361372 is a wasteful number, since it uses less digits than its factorization.

12165361372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087481 (or 2087479 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The spelling of 12165361372 in words is "twelve billion, one hundred sixty-five million, three hundred sixty-one thousand, three hundred seventy-two".