12628843522 has 8 divisors (see below), whose sum is σ = 18988477200. Its totient is φ = 6299351124.

The previous prime is 12628843517. The next prime is 12628843531. The reversal of 12628843522 is 22534882621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12628843522³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7534272 + ... + 7535947.

It is an arithmetic number, because the mean of its divisors is an integer number (2373559650).

Almost surely, 2^12628843522 is an apocalyptic number.

12628843522 is a deficient number, since it is larger than the sum of its proper divisors (6359633678).

12628843522 is a wasteful number, since it uses less digits than its factorization.

12628843522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070640.

The product of its digits is 368640, while the sum is 43.

The spelling of 12628843522 in words is "twelve billion, six hundred twenty-eight million, eight hundred forty-three thousand, five hundred twenty-two".