12231111406 has 8 divisors (see below), whose sum is σ = 18350398080. Its totient is φ = 6114312048.

The previous prime is 12231111391. The next prime is 12231111437. The reversal of 12231111406 is 60411113221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609486 + ... + 629233.

It is an arithmetic number, because the mean of its divisors is an integer number (2293799760).

Almost surely, 2^12231111406 is an apocalyptic number.

12231111406 is a deficient number, since it is larger than the sum of its proper divisors (6119286674).

12231111406 is a wasteful number, since it uses less digits than its factorization.

12231111406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243658.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12231111406 its reverse (60411113221), we get a palindrome (72642224627).

The spelling of 12231111406 in words is "twelve billion, two hundred thirty-one million, one hundred eleven thousand, four hundred six".