42154262122 has 16 divisors (see below), whose sum is σ = 72631278720. Its totient is φ = 17974405008.

The previous prime is 42154262089. The next prime is 42154262131. The reversal of 42154262122 is 22126245124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7639422 + ... + 7644937.

It is an arithmetic number, because the mean of its divisors is an integer number (4539454920).

Almost surely, 2^42154262122 is an apocalyptic number.

42154262122 is a deficient number, since it is larger than the sum of its proper divisors (30477016598).

42154262122 is a wasteful number, since it uses less digits than its factorization.

42154262122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284565.

The product of its digits is 15360, while the sum is 31.

The spelling of 42154262122 in words is "forty-two billion, one hundred fifty-four million, two hundred sixty-two thousand, one hundred twenty-two".