12231311000 has 32 divisors (see below), whose sum is σ = 28621270080. Its totient is φ = 4892524000.

The previous prime is 12231310951. The next prime is 12231311021. The reversal of 12231311000 is 11313221.

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, 6114656 + ... + 6116655.

It is an arithmetic number, because the mean of its divisors is an integer number (894414690).

Almost surely, 2^12231311000 is an apocalyptic number.

12231311000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231311000 is an abundant number, since it is smaller than the sum of its proper divisors (16389959080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231311000 is a wasteful number, since it uses less digits than its factorization.

12231311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231332 (or 12231318 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12231311000 its reverse (11313221), we get a palindrome (12242624221).

The spelling of 12231311000 in words is "twelve billion, two hundred thirty-one million, three hundred eleven thousand".