12402531042 has 16 divisors (see below), whose sum is σ = 27060067872. Its totient is φ = 3758342720.

The previous prime is 12402531019. The next prime is 12402531059. The reversal of 12402531042 is 24013520421.

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, 93958503 + ... + 93958634.

It is an arithmetic number, because the mean of its divisors is an integer number (1691254242).

Almost surely, 2^12402531042 is an apocalyptic number.

12402531042 is an abundant number, since it is smaller than the sum of its proper divisors (14657536830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12402531042 is a wasteful number, since it uses less digits than its factorization.

12402531042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187917153.

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 12402531042 in words is "twelve billion, four hundred two million, five hundred thirty-one thousand, forty-two".