12312311020322 has 8 divisors (see below), whose sum is σ = 18537122540700. Its totient is φ = 6133270173424.

The previous prime is 12312311020301. The next prime is 12312311020369. The reversal of 12312311020322 is 22302011321321.

It can be written as a sum of positive squares in 2 ways, for example, as 12312302014321 + 9006001 = 3508889^2 + 3001^2 .

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

It is a super-2 number, since 2×12312311020322² (a number of 27 digits) contains 22 as substring.

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, 11442667697 + ... + 11442668772.

Almost surely, 2^{12312311020322} is an apocalyptic number.

12312311020322 is a deficient number, since it is larger than the sum of its proper divisors (6224811520378).

12312311020322 is a wasteful number, since it uses less digits than its factorization.

12312311020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22885336740.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12312311020322 its reverse (22302011321321), we get a palindrome (34614322341643).

The spelling of 12312311020322 in words is "twelve trillion, three hundred twelve billion, three hundred eleven million, twenty thousand, three hundred twenty-two".