12233231123111 has 4 divisors (see below), whose sum is σ = 12241128627000. Its totient is φ = 12225333619224.

The previous prime is 12233231123077. The next prime is 12233231123149. The reversal of 12233231123111 is 11132113233221.

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 12233231123111 - 2²² = 12233226928807 is a prime.

It is a super-2 number, since 2×12233231123111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233231120111) 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, 3948749621 + ... + 3948752718.

It is an arithmetic number, because the mean of its divisors is an integer number (3060282156750).

Almost surely, 2^{12233231123111} is an apocalyptic number.

12233231123111 is a deficient number, since it is larger than the sum of its proper divisors (7897503889).

12233231123111 is an equidigital number, since it uses as much as digits as its factorization.

12233231123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897503888.

The product of its digits is 1296, while the sum is 26.

Adding to 12233231123111 its reverse (11132113233221), we get a palindrome (23365344356332).

The spelling of 12233231123111 in words is "twelve trillion, two hundred thirty-three billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred eleven".