12312022310111 has 4 divisors (see below), whose sum is σ = 12420978259872. Its totient is φ = 12203066360352.

The previous prime is 12312022310083. The next prime is 12312022310117. The reversal of 12312022310111 is 11101322021321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312022310111 - 2¹⁸ = 12312022047967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312022310117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54477974711 + ... + 54477974936.

It is an arithmetic number, because the mean of its divisors is an integer number (3105244564968).

Almost surely, 2^{12312022310111} is an apocalyptic number.

12312022310111 is a deficient number, since it is larger than the sum of its proper divisors (108955949761).

12312022310111 is a wasteful number, since it uses less digits than its factorization.

12312022310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108955949760.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12312022310111 its reverse (11101322021321), we get a palindrome (23413344331432).

The spelling of 12312022310111 in words is "twelve trillion, three hundred twelve billion, twenty-two million, three hundred ten thousand, one hundred eleven".