12116664251 has 8 divisors (see below), whose sum is σ = 12236746080. Its totient is φ = 11996629632.

The previous prime is 12116664233. The next prime is 12116664299. The reversal of 12116664251 is 15246661121.

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-12116664251 is a prime.

It is a super-2 number, since 2×12116664251² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12116669251) 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, 736451 + ... + 752723.

It is an arithmetic number, because the mean of its divisors is an integer number (1529593260).

Almost surely, 2^12116664251 is an apocalyptic number.

12116664251 is a deficient number, since it is larger than the sum of its proper divisors (120081829).

12116664251 is a wasteful number, since it uses less digits than its factorization.

12116664251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23605.

The product of its digits is 17280, while the sum is 35.

The spelling of 12116664251 in words is "twelve billion, one hundred sixteen million, six hundred sixty-four thousand, two hundred fifty-one".