12311222120302 has 16 divisors (see below), whose sum is σ = 21121715502720. Its totient is φ = 5272047227448.

The previous prime is 12311222120243. The next prime is 12311222120311. The reversal of 12311222120302 is 20302122211321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349217088 + ... + 349252339.

It is an arithmetic number, because the mean of its divisors is an integer number (1320107218920).

Almost surely, 2^{12311222120302} is an apocalyptic number.

12311222120302 is a deficient number, since it is larger than the sum of its proper divisors (8810493382418).

12311222120302 is a wasteful number, since it uses less digits than its factorization.

12311222120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698470695.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12311222120302 its reverse (20302122211321), we get a palindrome (32613344331623).

The spelling of 12311222120302 in words is "twelve trillion, three hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, three hundred two".