2112136688682 has 64 divisors (see below), whose sum is σ = 4973829840000. Its totient is φ = 662514038784.

The previous prime is 2112136688671. The next prime is 2112136688729. The reversal of 2112136688682 is 2868866312112.

2112136688682 is a `hidden beast` number, since 2 + 1 + 121 + 366 + 8 + 86 + 82 = 666.

It is a super-2 number, since 2×2112136688682² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6755223 + ... + 7060970.

It is an arithmetic number, because the mean of its divisors is an integer number (77716091250).

Almost surely, 2^{2112136688682} is an apocalyptic number.

2112136688682 is an abundant number, since it is smaller than the sum of its proper divisors (2861693151318).

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

2112136688682 is a wasteful number, since it uses less digits than its factorization.

2112136688682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816372 (or 13816366 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The spelling of 2112136688682 in words is "two trillion, one hundred twelve billion, one hundred thirty-six million, six hundred eighty-eight thousand, six hundred eighty-two".