2123937394212 has 24 divisors (see below), whose sum is σ = 5006945200096. Its totient is φ = 700680377088.

The previous prime is 2123937394177. The next prime is 2123937394213. The reversal of 2123937394212 is 2124937393212.

It is a super-2 number, since 2×2123937394212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123937394213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912343078 + ... + 912345405.

Almost surely, 2^{2123937394212} is an apocalyptic number.

It is an amenable number.

2123937394212 is an abundant number, since it is smaller than the sum of its proper divisors (2883007805884).

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

2123937394212 is a wasteful number, since it uses less digits than its factorization.

2123937394212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824688587 (or 1824688585 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The spelling of 2123937394212 in words is "two trillion, one hundred twenty-three billion, nine hundred thirty-seven million, three hundred ninety-four thousand, two hundred twelve".