2113312211212 has 24 divisors (see below), whose sum is σ = 3817662851072. Its totient is φ = 1022552586000.

The previous prime is 2113312211147. The next prime is 2113312211261. The reversal of 2113312211212 is 2121122133112.

It is a happy 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, 9506443 + ... + 9726205.

Almost surely, 2^{2113312211212} is an apocalyptic number.

It is an amenable number.

2113312211212 is a deficient number, since it is larger than the sum of its proper divisors (1704350639860).

2113312211212 is a wasteful number, since it uses less digits than its factorization.

2113312211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297349 (or 297347 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 2113312211212 its reverse (2121122133112), we get a palindrome (4234434344324).

The spelling of 2113312211212 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, two hundred eleven thousand, two hundred twelve".