12310331222111 has 8 divisors (see below), whose sum is σ = 13257323021040. Its totient is φ = 11363345600832.

The previous prime is 12310331222071. The next prime is 12310331222177. The reversal of 12310331222111 is 11122213301321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310331222111 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 (12310331222311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114971 + ... + 5858643.

It is an arithmetic number, because the mean of its divisors is an integer number (1657165377630).

Almost surely, 2^{12310331222111} is an apocalyptic number.

12310331222111 is a deficient number, since it is larger than the sum of its proper divisors (946991798929).

12310331222111 is a wasteful number, since it uses less digits than its factorization.

12310331222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088825.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12310331222111 its reverse (11122213301321), we get a palindrome (23432544523432).

The spelling of 12310331222111 in words is "twelve trillion, three hundred ten billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred eleven".