2112212099964 has 12 divisors (see below), whose sum is σ = 4928494899944. Its totient is φ = 704070699984.

The previous prime is 2112212099957. The next prime is 2112212099999. The reversal of 2112212099964 is 4699902122112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2112212099964² (a number of 25 digits) contains 22 as substring.

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, 88008837487 + ... + 88008837510.

Almost surely, 2^{2112212099964} is an apocalyptic number.

It is an amenable number.

2112212099964 is an abundant number, since it is smaller than the sum of its proper divisors (2816282799980).

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

2112212099964 is a wasteful number, since it uses less digits than its factorization.

2112212099964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176017675004 (or 176017675002 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 2112212099964 in words is "two trillion, one hundred twelve billion, two hundred twelve million, ninety-nine thousand, nine hundred sixty-four".