2112020001992 has 16 divisors (see below), whose sum is σ = 3982927896540. Its totient is φ = 1049905896256.

The previous prime is 2112020001991. The next prime is 2112020001997. The reversal of 2112020001992 is 2991000202112.

It can be written as a sum of positive squares in 2 ways, for example, as 2109041680516 + 2978321476 = 1452254^2 + 54574^2 .

It is not an unprimeable number, because it can be changed into a prime (2112020001991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763011623 + ... + 763014390.

Almost surely, 2^{2112020001992} is an apocalyptic number.

It is an amenable number.

2112020001992 is a deficient number, since it is larger than the sum of its proper divisors (1870907894548).

2112020001992 is a wasteful number, since it uses less digits than its factorization.

2112020001992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526026192 (or 1526026188 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 2112020001992 in words is "two trillion, one hundred twelve billion, twenty million, one thousand, nine hundred ninety-two".