2112000261664 has 24 divisors (see below), whose sum is σ = 4259415164508. Its totient is φ = 1030244029440.

The previous prime is 2112000261647. The next prime is 2112000261677. The reversal of 2112000261664 is 4661620002112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2045735205264 + 66265056400 = 1430292^2 + 257420^2 .

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, 804876837 + ... + 804879460.

Almost surely, 2^{2112000261664} is an apocalyptic number.

It is an amenable number.

2112000261664 is an abundant number, since it is smaller than the sum of its proper divisors (2147414902844).

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

2112000261664 is a wasteful number, since it uses less digits than its factorization.

2112000261664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609756348 (or 1609756340 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 2112000261664 its reverse (4661620002112), we get a palindrome (6773620263776).

The spelling of 2112000261664 in words is "two trillion, one hundred twelve billion, two hundred sixty-one thousand, six hundred sixty-four".