312213024000422 has 4 divisors (see below), whose sum is σ = 468319536000636. Its totient is φ = 156106512000210.

The previous prime is 312213024000421. The next prime is 312213024000431. The reversal of 312213024000422 is 224000420312213.

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

It is a junction number, because it is equal to n+sod(n) for n = 312213024000391 and 312213024000400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213024000421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78053256000104 + ... + 78053256000107.

It is an arithmetic number, because the mean of its divisors is an integer number (117079884000159).

Almost surely, 2^{312213024000422} is an apocalyptic number.

312213024000422 is a deficient number, since it is larger than the sum of its proper divisors (156106512000214).

312213024000422 is a wasteful number, since it uses less digits than its factorization.

312213024000422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156106512000213.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 312213024000422 its reverse (224000420312213), we get a palindrome (536213444312635).

The spelling of 312213024000422 in words is "three hundred twelve trillion, two hundred thirteen billion, twenty-four million, four hundred twenty-two", and thus it is an aban number.