12885022116 has 36 divisors (see below), whose sum is σ = 32616999324. Its totient is φ = 4288872000.

The previous prime is 12885022093. The next prime is 12885022141. The reversal of 12885022116 is 61122058821.

12885022116 is a `hidden beast` number, since 128 + 8 + 502 + 21 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10699833600 + 2185188516 = 103440^2 + 46746^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230055 + ... + 280526.

It is an arithmetic number, because the mean of its divisors is an integer number (906027759).

Almost surely, 2^12885022116 is an apocalyptic number.

It is an amenable number.

12885022116 is an abundant number, since it is smaller than the sum of its proper divisors (19731977208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12885022116 is a wasteful number, since it uses less digits than its factorization.

12885022116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511292 (or 511287 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 12885022116 in words is "twelve billion, eight hundred eighty-five million, twenty-two thousand, one hundred sixteen".