12890072284 has 12 divisors (see below), whose sum is σ = 23167292344. Its totient is φ = 6270845904.

The previous prime is 12890072213. The next prime is 12890072341. The reversal of 12890072284 is 48227009821.

It is a self number, because there is not a number n which added to its sum of digits gives 12890072284.

It is a congruent number.

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, 43547394 + ... + 43547689.

Almost surely, 2^12890072284 is an apocalyptic number.

It is an amenable number.

12890072284 is a deficient number, since it is larger than the sum of its proper divisors (10277220060).

12890072284 is a wasteful number, since it uses less digits than its factorization.

12890072284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87095124 (or 87095122 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 12890072284 in words is "twelve billion, eight hundred ninety million, seventy-two thousand, two hundred eighty-four".