312113210122 has 32 divisors (see below), whose sum is σ = 545744605824. Its totient is φ = 131104958400.

The previous prime is 312113210113. The next prime is 312113210141. The reversal of 312113210122 is 221012311213.

It is a self number, because there is not a number n which added to its sum of digits gives 312113210122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404029 + ... + 887392.

It is an arithmetic number, because the mean of its divisors is an integer number (17054518932).

Almost surely, 2^312113210122 is an apocalyptic number.

312113210122 is a deficient number, since it is larger than the sum of its proper divisors (233631395702).

312113210122 is a wasteful number, since it uses less digits than its factorization.

312113210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291774.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312113210122 its reverse (221012311213), we get a palindrome (533125521335).

The spelling of 312113210122 in words is "three hundred twelve billion, one hundred thirteen million, two hundred ten thousand, one hundred twenty-two".