12051165131 has 8 divisors (see below), whose sum is σ = 12687024720. Its totient is φ = 11415464352.

The previous prime is 12051165107. The next prime is 12051165193. The reversal of 12051165131 is 13156115021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12051165131 is a prime.

It is a super-3 number, since 3×12051165131³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12051165131.

It is not an unprimeable number, because it can be changed into a prime (12051162131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136061 + ... + 206433.

It is an arithmetic number, because the mean of its divisors is an integer number (1585878090).

Almost surely, 2^12051165131 is an apocalyptic number.

12051165131 is a deficient number, since it is larger than the sum of its proper divisors (635859589).

12051165131 is an equidigital number, since it uses as much as digits as its factorization.

12051165131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79405.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 12051165131 in words is "twelve billion, fifty-one million, one hundred sixty-five thousand, one hundred thirty-one".