312212033322 has 64 divisors (see below), whose sum is σ = 741329584128. Its totient is φ = 85801968000.

The previous prime is 312212033269. The next prime is 312212033327. The reversal of 312212033322 is 223330212213.

It is a junction number, because it is equal to n+sod(n) for n = 312212033292 and 312212033301.

It is not an unprimeable number, because it can be changed into a prime (312212033327) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1154554 + ... + 1399077.

It is an arithmetic number, because the mean of its divisors is an integer number (11583274752).

Almost surely, 2^312212033322 is an apocalyptic number.

312212033322 is an abundant number, since it is smaller than the sum of its proper divisors (429117550806).

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

312212033322 is a wasteful number, since it uses less digits than its factorization.

312212033322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553755.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312212033322 its reverse (223330212213), we get a palindrome (535542245535).

The spelling of 312212033322 in words is "three hundred twelve billion, two hundred twelve million, thirty-three thousand, three hundred twenty-two".