12630633645 has 64 divisors (see below), whose sum is σ = 23893770240. Its totient is φ = 5575392000.

The previous prime is 12630633643. The next prime is 12630633677. The reversal of 12630633645 is 54633603621.

12630633645 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 12630633645 - 2¹ = 12630633643 is a prime.

It is a super-3 number, since 3×12630633645³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630633641) 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 63 ways as a sum of consecutive naturals, for example, 1555095 + ... + 1563195.

It is an arithmetic number, because the mean of its divisors is an integer number (373340160).

Almost surely, 2^12630633645 is an apocalyptic number.

12630633645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12630633645 is a deficient number, since it is larger than the sum of its proper divisors (11263136595).

12630633645 is a wasteful number, since it uses less digits than its factorization.

12630633645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626.

The product of its (nonzero) digits is 233280, while the sum is 39.

It can be divided in two parts, 126306 and 33645, that added together give a palindrome (159951).

The spelling of 12630633645 in words is "twelve billion, six hundred thirty million, six hundred thirty-three thousand, six hundred forty-five".