12151110232 has 16 divisors (see below), whose sum is σ = 23004530640. Its totient is φ = 6016568736.

The previous prime is 12151110217. The next prime is 12151110233. The reversal of 12151110232 is 23201115121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151110233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372423 + ... + 7374070.

It is an arithmetic number, because the mean of its divisors is an integer number (1437783165).

Almost surely, 2^12151110232 is an apocalyptic number.

It is an amenable number.

12151110232 is a deficient number, since it is larger than the sum of its proper divisors (10853420408).

12151110232 is a wasteful number, since it uses less digits than its factorization.

12151110232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746602 (or 14746598 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12151110232 its reverse (23201115121), we get a palindrome (35352225353).

The spelling of 12151110232 in words is "twelve billion, one hundred fifty-one million, one hundred ten thousand, two hundred thirty-two".