312212323202 has 16 divisors (see below), whose sum is σ = 505173887232. Its totient is φ = 143860594320.

The previous prime is 312212323081. The next prime is 312212323237. The reversal of 312212323202 is 202323212213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9875624 + ... + 9907187.

It is an arithmetic number, because the mean of its divisors is an integer number (31573367952).

Almost surely, 2^312212323202 is an apocalyptic number.

312212323202 is a deficient number, since it is larger than the sum of its proper divisors (192961564030).

312212323202 is a wasteful number, since it uses less digits than its factorization.

312212323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783433.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312212323202 its reverse (202323212213), we get a palindrome (514535535415).

The spelling of 312212323202 in words is "three hundred twelve billion, two hundred twelve million, three hundred twenty-three thousand, two hundred two".