312233412142 has 4 divisors (see below), whose sum is σ = 468350118216. Its totient is φ = 156116706070.

The previous prime is 312233412109. The next prime is 312233412163. The reversal of 312233412142 is 241214332213.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 312233412142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78058353034 + ... + 78058353037.

It is an arithmetic number, because the mean of its divisors is an integer number (117087529554).

Almost surely, 2^312233412142 is an apocalyptic number.

312233412142 is a deficient number, since it is larger than the sum of its proper divisors (156116706074).

312233412142 is a wasteful number, since it uses less digits than its factorization.

312233412142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156116706073.

The product of its digits is 6912, while the sum is 28.

Adding to 312233412142 its reverse (241214332213), we get a palindrome (553447744355).

The spelling of 312233412142 in words is "three hundred twelve billion, two hundred thirty-three million, four hundred twelve thousand, one hundred forty-two".