2109213795012 has 24 divisors (see below), whose sum is σ = 4925275943616. Its totient is φ = 702531680928.

The previous prime is 2109213794999. The next prime is 2109213795061. The reversal of 2109213795012 is 2105973129012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67431723 + ... + 67462994.

It is an arithmetic number, because the mean of its divisors is an integer number (205219830984).

Almost surely, 2^{2109213795012} is an apocalyptic number.

It is an amenable number.

2109213795012 is an abundant number, since it is smaller than the sum of its proper divisors (2816062148604).

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

2109213795012 is a wasteful number, since it uses less digits than its factorization.

2109213795012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134896027 (or 134896025 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 2109213795012 in words is "two trillion, one hundred nine billion, two hundred thirteen million, seven hundred ninety-five thousand, twelve".