312012032201243 has 8 divisors (see below), whose sum is σ = 340377003941040. Its totient is φ = 283647100718080.

The previous prime is 312012032201231. The next prime is 312012032201413. The reversal of 312012032201243 is 342102230210213.

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

It is not a de Polignac number, because 312012032201243 - 2²⁸ = 312011763765787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312012032200243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7469771 + ... + 26073387.

It is an arithmetic number, because the mean of its divisors is an integer number (42547125492630).

Almost surely, 2^{312012032201243} is an apocalyptic number.

312012032201243 is a deficient number, since it is larger than the sum of its proper divisors (28364971739797).

312012032201243 is a wasteful number, since it uses less digits than its factorization.

312012032201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20128317.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312012032201243 its reverse (342102230210213), we get a palindrome (654114262411456).

The spelling of 312012032201243 in words is "three hundred twelve trillion, twelve billion, thirty-two million, two hundred one thousand, two hundred forty-three".