42002131012 has 36 divisors (see below), whose sum is σ = 76193108460. Its totient is φ = 20258911680.

The previous prime is 42002130997. The next prime is 42002131021. The reversal of 42002131012 is 21013120024.

It can be written as a sum of positive squares in 2 ways, for example, as 12015667456 + 29986463556 = 109616^2 + 173166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201314 + ... + 1235782.

It is an arithmetic number, because the mean of its divisors is an integer number (2116475235).

Almost surely, 2^42002131012 is an apocalyptic number.

It is an amenable number.

42002131012 is a deficient number, since it is larger than the sum of its proper divisors (34190977448).

42002131012 is a wasteful number, since it uses less digits than its factorization.

42002131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34852 (or 34819 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 42002131012 its reverse (21013120024), we get a palindrome (63015251036).

The spelling of 42002131012 in words is "forty-two billion, two million, one hundred thirty-one thousand, twelve".