12151331056 has 10 divisors (see below), whose sum is σ = 23543203952. Its totient is φ = 6075665520.

The previous prime is 12151331047. The next prime is 12151331063. The reversal of 12151331056 is 65013315121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379729080 + ... + 379729111.

Almost surely, 2^12151331056 is an apocalyptic number.

12151331056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12151331056 is a deficient number, since it is larger than the sum of its proper divisors (11391872896).

12151331056 is an equidigital number, since it uses as much as digits as its factorization.

12151331056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759458199 (or 759458193 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 12151331056 its reverse (65013315121), we get a palindrome (77164646177).

The spelling of 12151331056 in words is "twelve billion, one hundred fifty-one million, three hundred thirty-one thousand, fifty-six".