12042165232 has 20 divisors (see below), whose sum is σ = 23334093576. Its totient is φ = 6020463680.

The previous prime is 12042165229. The next prime is 12042165241. The reversal of 12042165232 is 23256124021.

It is a super-2 number, since 2×12042165232² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12042165232.

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 3 ways as a sum of consecutive naturals, for example, 149598 + ... + 215554.

Almost surely, 2^12042165232 is an apocalyptic number.

It is an amenable number.

12042165232 is a deficient number, since it is larger than the sum of its proper divisors (11291928344).

12042165232 is a wasteful number, since it uses less digits than its factorization.

12042165232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77376 (or 77370 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12042165232 its reverse (23256124021), we get a palindrome (35298289253).

The spelling of 12042165232 in words is "twelve billion, forty-two million, one hundred sixty-five thousand, two hundred thirty-two".