12402332042 has 16 divisors (see below), whose sum is σ = 19593480960. Its totient is φ = 5871533472.

The previous prime is 12402332039. The next prime is 12402332071. The reversal of 12402332042 is 24023320421.

It is a junction number, because it is equal to n+sod(n) for n = 12402331999 and 12402332017.

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, 20243 + ... + 158790.

It is an arithmetic number, because the mean of its divisors is an integer number (1224592560).

Almost surely, 2^12402332042 is an apocalyptic number.

12402332042 is a deficient number, since it is larger than the sum of its proper divisors (7191148918).

12402332042 is a wasteful number, since it uses less digits than its factorization.

12402332042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180877.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12402332042 its reverse (24023320421), we get a palindrome (36425652463).

The spelling of 12402332042 in words is "twelve billion, four hundred two million, three hundred thirty-two thousand, forty-two".