2113297978612 has 24 divisors (see below), whose sum is σ = 3739941261000. Its totient is φ = 1044744070656.

The previous prime is 2113297978601. The next prime is 2113297978669. The reversal of 2113297978612 is 2168797923112.

It can be written as a sum of positive squares in 4 ways, for example, as 42565466596 + 2070732512016 = 206314^2 + 1439004^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14720008 + ... + 14862880.

It is an arithmetic number, because the mean of its divisors is an integer number (155830885875).

Almost surely, 2^{2113297978612} is an apocalyptic number.

It is an amenable number.

2113297978612 is a deficient number, since it is larger than the sum of its proper divisors (1626643282388).

2113297978612 is a wasteful number, since it uses less digits than its factorization.

2113297978612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184515 (or 184513 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The spelling of 2113297978612 in words is "two trillion, one hundred thirteen billion, two hundred ninety-seven million, nine hundred seventy-eight thousand, six hundred twelve".