312102212322 has 16 divisors (see below), whose sum is σ = 660922332192. Its totient is φ = 97914419520.

The previous prime is 312102212309. The next prime is 312102212327. The reversal of 312102212322 is 223212201213.

It is not an unprimeable number, because it can be changed into a prime (312102212327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529912704 + ... + 1529912907.

It is an arithmetic number, because the mean of its divisors is an integer number (41307645762).

Almost surely, 2^312102212322 is an apocalyptic number.

312102212322 is an abundant number, since it is smaller than the sum of its proper divisors (348820119870).

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

312102212322 is a wasteful number, since it uses less digits than its factorization.

312102212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059825633.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 312102212322 its reverse (223212201213), we get a palindrome (535314413535).

The spelling of 312102212322 in words is "three hundred twelve billion, one hundred two million, two hundred twelve thousand, three hundred twenty-two".