312203310222 has 32 divisors (see below), whose sum is σ = 630574129152. Its totient is φ = 103040876864.

The previous prime is 312203310161. The next prime is 312203310253. The reversal of 312203310222 is 222013302213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101043 + ... + 1355249.

It is an arithmetic number, because the mean of its divisors is an integer number (19705441536).

Almost surely, 2^312203310222 is an apocalyptic number.

312203310222 is an abundant number, since it is smaller than the sum of its proper divisors (318370818930).

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

312203310222 is a wasteful number, since it uses less digits than its factorization.

312203310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256232.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312203310222 its reverse (222013302213), we get a palindrome (534216612435).

The spelling of 312203310222 in words is "three hundred twelve billion, two hundred three million, three hundred ten thousand, two hundred twenty-two".