1252678890028 has 12 divisors (see below), whose sum is σ = 2192208836832. Its totient is φ = 626333508080.

The previous prime is 1252678889873. The next prime is 1252678890031. The reversal of 1252678890028 is 8200988762521.

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, 991300 + ... + 1867627.

It is an arithmetic number, because the mean of its divisors is an integer number (182684069736).

Almost surely, 2^{1252678890028} is an apocalyptic number.

It is an amenable number.

1252678890028 is a deficient number, since it is larger than the sum of its proper divisors (939529946804).

1252678890028 is a wasteful number, since it uses less digits than its factorization.

1252678890028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968472 (or 2968470 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 1252678890028 in words is "one trillion, two hundred fifty-two billion, six hundred seventy-eight million, eight hundred ninety thousand, twenty-eight".