312442422222388 has 48 divisors (see below), whose sum is σ = 550718988019200. Its totient is φ = 155097253872000.

The previous prime is 312442422222349. The next prime is 312442422222389. The reversal of 312442422222388 is 883222224244213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312442422222389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064034013 + ... + 1064327611.

It is an arithmetic number, because the mean of its divisors is an integer number (11473312250400).

Almost surely, 2^{312442422222388} is an apocalyptic number.

It is an amenable number.

312442422222388 is a deficient number, since it is larger than the sum of its proper divisors (238276565796812).

312442422222388 is a wasteful number, since it uses less digits than its factorization.

312442422222388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296248 (or 296246 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 49.

The spelling of 312442422222388 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred twenty-two thousand, three hundred eighty-eight".