12631201442 has 8 divisors (see below), whose sum is σ = 18965362332. Its totient is φ = 6309414000.

The previous prime is 12631201421. The next prime is 12631201483. The reversal of 12631201442 is 24410213621.

It can be written as a sum of positive squares in 2 ways, for example, as 11295225841 + 1335975601 = 106279^2 + 36551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090809 + ... + 3094892.

Almost surely, 2^12631201442 is an apocalyptic number.

12631201442 is a deficient number, since it is larger than the sum of its proper divisors (6334160890).

12631201442 is a wasteful number, since it uses less digits than its factorization.

12631201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186724.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 12631201442 in words is "twelve billion, six hundred thirty-one million, two hundred one thousand, four hundred forty-two".