12756307999 has 8 divisors (see below), whose sum is σ = 12841584912. Its totient is φ = 12671292480.

The previous prime is 12756307961. The next prime is 12756308029. The reversal of 12756307999 is 99970365721.

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

It is a cyclic number.

It is not a de Polignac number, because 12756307999 - 2⁷ = 12756307871 is a prime.

It is a super-3 number, since 3×12756307999³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756307699) 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, 33072 + ... + 163114.

It is an arithmetic number, because the mean of its divisors is an integer number (1605198114).

Almost surely, 2^12756307999 is an apocalyptic number.

12756307999 is a deficient number, since it is larger than the sum of its proper divisors (85276913).

12756307999 is a wasteful number, since it uses less digits than its factorization.

12756307999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130697.

The product of its (nonzero) digits is 6429780, while the sum is 58.

The spelling of 12756307999 in words is "twelve billion, seven hundred fifty-six million, three hundred seven thousand, nine hundred ninety-nine".