312123401322214 has 4 divisors (see below), whose sum is σ = 468185101983324. Its totient is φ = 156061700661106.

The previous prime is 312123401322157. The next prime is 312123401322241. The reversal of 312123401322214 is 412223104321213.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78030850330552 + ... + 78030850330555.

It is an arithmetic number, because the mean of its divisors is an integer number (117046275495831).

Almost surely, 2^{312123401322214} is an apocalyptic number.

312123401322214 is a deficient number, since it is larger than the sum of its proper divisors (156061700661110).

312123401322214 is a wasteful number, since it uses less digits than its factorization.

312123401322214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156061700661109.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312123401322214 its reverse (412223104321213), we get a palindrome (724346505643427).

The spelling of 312123401322214 in words is "three hundred twelve trillion, one hundred twenty-three billion, four hundred one million, three hundred twenty-two thousand, two hundred fourteen".