42002010122 has 16 divisors (see below), whose sum is σ = 63958886280. Its totient is φ = 20684218368.

The previous prime is 42002010107. The next prime is 42002010163. The reversal of 42002010122 is 22101020024.

It can be written as a sum of positive squares in 4 ways, for example, as 28278121921 + 13723888201 = 168161^2 + 117149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42002010097 and 42002010106.

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, 413333 + ... + 504824.

Almost surely, 2^42002010122 is an apocalyptic number.

42002010122 is a deficient number, since it is larger than the sum of its proper divisors (21956876158).

42002010122 is a wasteful number, since it uses less digits than its factorization.

42002010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918505.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 42002010122 its reverse (22101020024), we get a palindrome (64103030146).

The spelling of 42002010122 in words is "forty-two billion, two million, ten thousand, one hundred twenty-two".