312042112332442 has 8 divisors (see below), whose sum is σ = 468063293109876. Its totient is φ = 156021014629152.

The previous prime is 312042112332437. The next prime is 312042112332481. The reversal of 312042112332442 is 244233211240213.

It can be written as a sum of positive squares in 2 ways, for example, as 193647235286961 + 118394877045481 = 13915719^2 + 10880941^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 312042112332398 and 312042112332407.

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, 10328443 + ... + 27032590.

Almost surely, 2^{312042112332442} is an apocalyptic number.

312042112332442 is a deficient number, since it is larger than the sum of its proper divisors (156021180777434).

312042112332442 is a wasteful number, since it uses less digits than its factorization.

312042112332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41537072.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 312042112332442 its reverse (244233211240213), we get a palindrome (556275323572655).

The spelling of 312042112332442 in words is "three hundred twelve trillion, forty-two billion, one hundred twelve million, three hundred thirty-two thousand, four hundred forty-two".