12507256151629 has 32 divisors (see below), whose sum is σ = 13624800583680. Its totient is φ = 11446731172800.

The previous prime is 12507256151627. The next prime is 12507256151639. The reversal of 12507256151629 is 92615165270521.

It is a cyclic number.

It is not a de Polignac number, because 12507256151629 - 2¹ = 12507256151627 is a prime.

It is a super-2 number, since 2×12507256151629² (a number of 27 digits) contains 22 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 (12507256151627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36121534 + ... + 36466144.

It is an arithmetic number, because the mean of its divisors is an integer number (425775018240).

Almost surely, 2^{12507256151629} is an apocalyptic number.

It is an amenable number.

12507256151629 is a deficient number, since it is larger than the sum of its proper divisors (1117544432051).

12507256151629 is a wasteful number, since it uses less digits than its factorization.

12507256151629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345241.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 12507256151629 in words is "twelve trillion, five hundred seven billion, two hundred fifty-six million, one hundred fifty-one thousand, six hundred twenty-nine".