312213022000422 has 64 divisors (see below), whose sum is σ = 638254294824960. Its totient is φ = 101785692153600.

The previous prime is 312213022000417. The next prime is 312213022000427. The reversal of 312213022000422 is 224000220312213.

It is an interprime number because it is at equal distance from previous prime (312213022000417) and next prime (312213022000427).

It is a super-2 number, since 2×312213022000422² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312213022000392 and 312213022000401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213022000427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 945267418 + ... + 945597650.

It is an arithmetic number, because the mean of its divisors is an integer number (9972723356640).

Almost surely, 2^{312213022000422} is an apocalyptic number.

312213022000422 is an abundant number, since it is smaller than the sum of its proper divisors (326041272824538).

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

312213022000422 is a wasteful number, since it uses less digits than its factorization.

312213022000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344909.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 312213022000422 its reverse (224000220312213), we get a palindrome (536213242312635).

The spelling of 312213022000422 in words is "three hundred twelve trillion, two hundred thirteen billion, twenty-two million, four hundred twenty-two", and thus it is an aban number.