12889627378772 has 12 divisors (see below), whose sum is σ = 23744050434720. Its totient is φ = 6105612968856.

The previous prime is 12889627378673. The next prime is 12889627378811. The reversal of 12889627378772 is 27787372698821.

It is a super-2 number, since 2×12889627378772² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12889627378693 and 12889627378702.

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, 84800180048 + ... + 84800180199.

It is an arithmetic number, because the mean of its divisors is an integer number (1978670869560).

Almost surely, 2^{12889627378772} is an apocalyptic number.

It is an amenable number.

12889627378772 is a deficient number, since it is larger than the sum of its proper divisors (10854423055948).

12889627378772 is a wasteful number, since it uses less digits than its factorization.

12889627378772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169600360270 (or 169600360268 counting only the distinct ones).

The product of its digits is 1593188352, while the sum is 77.

The spelling of 12889627378772 in words is "twelve trillion, eight hundred eighty-nine billion, six hundred twenty-seven million, three hundred seventy-eight thousand, seven hundred seventy-two".