312332211213422 has 4 divisors (see below), whose sum is σ = 468498316820136. Its totient is φ = 156166105606710.

The previous prime is 312332211213389. The next prime is 312332211213481. The reversal of 312332211213422 is 224312112233213.

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

It is a super-2 number, since 2×312332211213422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78083052803354 + ... + 78083052803357.

It is an arithmetic number, because the mean of its divisors is an integer number (117124579205034).

Almost surely, 2^{312332211213422} is an apocalyptic number.

312332211213422 is a deficient number, since it is larger than the sum of its proper divisors (156166105606714).

312332211213422 is a wasteful number, since it uses less digits than its factorization.

312332211213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156166105606713.

The product of its digits is 20736, while the sum is 32.

Adding to 312332211213422 its reverse (224312112233213), we get a palindrome (536644323446635).

The spelling of 312332211213422 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred eleven million, two hundred thirteen thousand, four hundred twenty-two".