12643253080228 has 24 divisors (see below), whose sum is σ = 22146734877624. Its totient is φ = 6315616320000.

The previous prime is 12643253080097. The next prime is 12643253080253. The reversal of 12643253080228 is 82208035234621.

It can be written as a sum of positive squares in 4 ways, for example, as 754052563044 + 11889200517184 = 868362^2 + 3448072^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28700028 + ... + 29137228.

It is an arithmetic number, because the mean of its divisors is an integer number (922780619901).

Almost surely, 2^{12643253080228} is an apocalyptic number.

It is an amenable number.

12643253080228 is a deficient number, since it is larger than the sum of its proper divisors (9503481797396).

12643253080228 is a wasteful number, since it uses less digits than its factorization.

12643253080228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444063 (or 444061 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 12643253080228 in words is "twelve trillion, six hundred forty-three billion, two hundred fifty-three million, eighty thousand, two hundred twenty-eight".