312443230122 has 16 divisors (see below), whose sum is σ = 694318289280. Its totient is φ = 104147743356.

The previous prime is 312443230111. The next prime is 312443230153. The reversal of 312443230122 is 221032344213.

312443230122 is a `hidden beast` number, since 312 + 4 + 4 + 323 + 0 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2892992818 + ... + 2892992925.

It is an arithmetic number, because the mean of its divisors is an integer number (43394893080).

Almost surely, 2^312443230122 is an apocalyptic number.

312443230122 is an abundant number, since it is smaller than the sum of its proper divisors (381875059158).

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

312443230122 is a wasteful number, since it uses less digits than its factorization.

312443230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785985754 (or 5785985748 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 312443230122 its reverse (221032344213), we get a palindrome (533475574335).

The spelling of 312443230122 in words is "three hundred twelve billion, four hundred forty-three million, two hundred thirty thousand, one hundred twenty-two".