312222202132 has 24 divisors (see below), whose sum is σ = 553044556512. Its totient is φ = 154216452000.

The previous prime is 312222202121. The next prime is 312222202241. The reversal of 312222202132 is 231202222213.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 693294 + ... + 1051237.

It is an arithmetic number, because the mean of its divisors is an integer number (23043523188).

Almost surely, 2^312222202132 is an apocalyptic number.

It is an amenable number.

312222202132 is a deficient number, since it is larger than the sum of its proper divisors (240822354380).

312222202132 is a wasteful number, since it uses less digits than its factorization.

312222202132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745079 (or 1745077 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312222202132 its reverse (231202222213), we get a palindrome (543424424345).

The spelling of 312222202132 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred thirty-two".