2121985363392 has 112 divisors (see below), whose sum is σ = 6238855188000. Its totient is φ = 707259156480.

The previous prime is 2121985363369. The next prime is 2121985363417. The reversal of 2121985363392 is 2933635891212.

2121985363392 is a `hidden beast` number, since 2 + 1 + 2 + 19 + 8 + 536 + 3 + 3 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19404484 + ... + 19513532.

Almost surely, 2^{2121985363392} is an apocalyptic number.

It is an amenable number.

2121985363392 is an abundant number, since it is smaller than the sum of its proper divisors (4116869824608).

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

2121985363392 is a wasteful number, since it uses less digits than its factorization.

2121985363392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120331 (or 120315 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 2121985363392 in words is "two trillion, one hundred twenty-one billion, nine hundred eighty-five million, three hundred sixty-three thousand, three hundred ninety-two".