12630644554 has 32 divisors (see below), whose sum is σ = 21922306560. Its totient is φ = 5397490800.

The previous prime is 12630644531. The next prime is 12630644629. The reversal of 12630644554 is 45544603621.

12630644554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×12630644554⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

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, 60574 + ... + 170089.

It is an arithmetic number, because the mean of its divisors is an integer number (685072080).

Almost surely, 2^12630644554 is an apocalyptic number.

12630644554 is a deficient number, since it is larger than the sum of its proper divisors (9291662006).

12630644554 is a wasteful number, since it uses less digits than its factorization.

12630644554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230826.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 12630644554 in words is "twelve billion, six hundred thirty million, six hundred forty-four thousand, five hundred fifty-four".