12131010115 has 12 divisors (see below), whose sum is σ = 16933900176. Its totient is φ = 8318406768.

The previous prime is 12131010079. The next prime is 12131010181. The reversal of 12131010115 is 51101013121.

It is a happy number.

It is not a de Polignac number, because 12131010115 - 2¹⁷ = 12130879043 is a prime.

It is a super-2 number, since 2×12131010115² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24756919 + ... + 24757408.

It is an arithmetic number, because the mean of its divisors is an integer number (1411158348).

Almost surely, 2^12131010115 is an apocalyptic number.

12131010115 is a deficient number, since it is larger than the sum of its proper divisors (4802890061).

12131010115 is an equidigital number, since it uses as much as digits as its factorization.

12131010115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49514346 (or 49514339 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 12131010115 its reverse (51101013121), we get a palindrome (63232023236).

The spelling of 12131010115 in words is "twelve billion, one hundred thirty-one million, ten thousand, one hundred fifteen".