12751155207 has 24 divisors (see below), whose sum is σ = 21337883424. Its totient is φ = 7186558464.

The previous prime is 12751155139. The next prime is 12751155217. The reversal of 12751155207 is 70255115721.

12751155207 is a `hidden beast` number, since 12 + 7 + 5 + 115 + 520 + 7 = 666.

It is not a de Polignac number, because 12751155207 - 2⁸ = 12751154951 is a prime.

It is a super-2 number, since 2×12751155207² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751155217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1381698 + ... + 1390895.

It is an arithmetic number, because the mean of its divisors is an integer number (889078476).

Almost surely, 2^12751155207 is an apocalyptic number.

12751155207 is a deficient number, since it is larger than the sum of its proper divisors (8586728217).

12751155207 is a wasteful number, since it uses less digits than its factorization.

12751155207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772679 (or 2772676 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 12751155207 in words is "twelve billion, seven hundred fifty-one million, one hundred fifty-five thousand, two hundred seven".