312010213322 has 4 divisors (see below), whose sum is σ = 468015319986. Its totient is φ = 156005106660.

The previous prime is 312010213313. The next prime is 312010213343. The reversal of 312010213322 is 223312010213.

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

It can be written as a sum of positive squares in only one way, i.e., 248224164841 + 63786048481 = 498221^2 + 252559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312010213294 and 312010213303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78002553329 + ... + 78002553332.

Almost surely, 2^312010213322 is an apocalyptic number.

312010213322 is a deficient number, since it is larger than the sum of its proper divisors (156005106664).

312010213322 is a wasteful number, since it uses less digits than its factorization.

312010213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156005106663.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312010213322 its reverse (223312010213), we get a palindrome (535322223535).

The spelling of 312010213322 in words is "three hundred twelve billion, ten million, two hundred thirteen thousand, three hundred twenty-two".