12312112320322 has 8 divisors (see below), whose sum is σ = 18468648774972. Its totient is φ = 6155896062000.

The previous prime is 12312112320311. The next prime is 12312112320373. The reversal of 12312112320322 is 22302321121321.

It can be written as a sum of positive squares in 2 ways, for example, as 11851694431641 + 460417888681 = 3442629^2 + 678541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79952929 + ... + 80106772.

Almost surely, 2^{12312112320322} is an apocalyptic number.

12312112320322 is a deficient number, since it is larger than the sum of its proper divisors (6156536454650).

12312112320322 is a wasteful number, since it uses less digits than its factorization.

12312112320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160098164.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12312112320322 its reverse (22302321121321), we get a palindrome (34614433441643).

The spelling of 12312112320322 in words is "twelve trillion, three hundred twelve billion, one hundred twelve million, three hundred twenty thousand, three hundred twenty-two".