42354512122 has 32 divisors (see below), whose sum is σ = 72424154880. Its totient is φ = 18435211200.

The previous prime is 42354512071. The next prime is 42354512149. The reversal of 42354512122 is 22121545324.

It is a happy number.

42354512122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 620754 + ... + 685597.

It is an arithmetic number, because the mean of its divisors is an integer number (2263254840).

Almost surely, 2^42354512122 is an apocalyptic number.

42354512122 is a deficient number, since it is larger than the sum of its proper divisors (30069642758).

42354512122 is a wasteful number, since it uses less digits than its factorization.

42354512122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306438.

The product of its digits is 19200, while the sum is 31.

The spelling of 42354512122 in words is "forty-two billion, three hundred fifty-four million, five hundred twelve thousand, one hundred twenty-two".