12630145731 has 16 divisors (see below), whose sum is σ = 19342656000. Its totient is φ = 7180956288.

The previous prime is 12630145721. The next prime is 12630145739. The reversal of 12630145731 is 13754103621.

12630145731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12630145731 - 2⁷ = 12630145603 is a prime.

It is a super-2 number, since 2×12630145731² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12630145692 and 12630145701.

It is not an unprimeable number, because it can be changed into a prime (12630145739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506966 + ... + 1515323.

It is an arithmetic number, because the mean of its divisors is an integer number (1208916000).

Almost surely, 2^12630145731 is an apocalyptic number.

12630145731 is a deficient number, since it is larger than the sum of its proper divisors (6712510269).

12630145731 is a wasteful number, since it uses less digits than its factorization.

12630145731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022498.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 12630145731 in words is "twelve billion, six hundred thirty million, one hundred forty-five thousand, seven hundred thirty-one".