2122453654156 has 24 divisors (see below), whose sum is σ = 4052201025600. Its totient is φ = 964693554000.

The previous prime is 2122453654147. The next prime is 2122453654187. The reversal of 2122453654156 is 6514563542212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709570 + ... + 2179081.

It is an arithmetic number, because the mean of its divisors is an integer number (168841709400).

Almost surely, 2^{2122453654156} is an apocalyptic number.

It is an amenable number.

2122453654156 is a deficient number, since it is larger than the sum of its proper divisors (1929747371444).

2122453654156 is a wasteful number, since it uses less digits than its factorization.

2122453654156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905365 (or 2905363 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The spelling of 2122453654156 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-three million, six hundred fifty-four thousand, one hundred fifty-six".