42122131402 has 32 divisors (see below), whose sum is σ = 68682184704. Its totient is φ = 19258948800.

The previous prime is 42122131357. The next prime is 42122131417. The reversal of 42122131402 is 20413122124.

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, 2272452 + ... + 2290912.

It is an arithmetic number, because the mean of its divisors is an integer number (2146318272).

Almost surely, 2^42122131402 is an apocalyptic number.

42122131402 is a deficient number, since it is larger than the sum of its proper divisors (26560053302).

42122131402 is a wasteful number, since it uses less digits than its factorization.

42122131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19294.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42122131402 its reverse (20413122124), we get a palindrome (62535253526).

The spelling of 42122131402 in words is "forty-two billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred two".