2122153194772 has 48 divisors (see below), whose sum is σ = 4052658758400. Its totient is φ = 966438645120.

The previous prime is 2122153194737. The next prime is 2122153194781. The reversal of 2122153194772 is 2774913512212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6289254 + ... + 6618082.

It is an arithmetic number, because the mean of its divisors is an integer number (84430390800).

Almost surely, 2^{2122153194772} is an apocalyptic number.

It is an amenable number.

2122153194772 is a deficient number, since it is larger than the sum of its proper divisors (1930505563628).

2122153194772 is a wasteful number, since it uses less digits than its factorization.

2122153194772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330496 (or 330494 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 2122153194772 in words is "two trillion, one hundred twenty-two billion, one hundred fifty-three million, one hundred ninety-four thousand, seven hundred seventy-two".