12120310232 has 16 divisors (see below), whose sum is σ = 22809444000. Its totient is φ = 6037791840.

The previous prime is 12120310211. The next prime is 12120310277. The reversal of 12120310232 is 23201302121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120310232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793107 + ... + 2797442.

It is an arithmetic number, because the mean of its divisors is an integer number (1425590250).

Almost surely, 2^12120310232 is an apocalyptic number.

It is an amenable number.

12120310232 is a deficient number, since it is larger than the sum of its proper divisors (10689133768).

12120310232 is a wasteful number, since it uses less digits than its factorization.

12120310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590826 (or 5590822 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12120310232 its reverse (23201302121), we get a palindrome (35321612353).

The spelling of 12120310232 in words is "twelve billion, one hundred twenty million, three hundred ten thousand, two hundred thirty-two".