42120313402 has 16 divisors (see below), whose sum is σ = 65931952320. Its totient is φ = 20143121152.

The previous prime is 42120313393. The next prime is 42120313441. The reversal of 42120313402 is 20431302124.

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, 1053978 + ... + 1093210.

It is an arithmetic number, because the mean of its divisors is an integer number (4120747020).

Almost surely, 2^42120313402 is an apocalyptic number.

42120313402 is a deficient number, since it is larger than the sum of its proper divisors (23811638918).

42120313402 is a wasteful number, since it uses less digits than its factorization.

42120313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62597.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42120313402 its reverse (20431302124), we get a palindrome (62551615526).

The spelling of 42120313402 in words is "forty-two billion, one hundred twenty million, three hundred thirteen thousand, four hundred two".