12231211311144 has 48 divisors (see below), whose sum is σ = 37858511202720. Its totient is φ = 3494631803040.

The previous prime is 12231211311133. The next prime is 12231211311157. The reversal of 12231211311144 is 44111311213221.

12231211311144 is a `hidden beast` number, since 1 + 22 + 312 + 1 + 1 + 311 + 14 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12134137702 + ... + 12134138709.

It is an arithmetic number, because the mean of its divisors is an integer number (788718983390).

Almost surely, 2^{12231211311144} is an apocalyptic number.

12231211311144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12231211311144 is an abundant number, since it is smaller than the sum of its proper divisors (25627299891576).

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

12231211311144 is a wasteful number, since it uses less digits than its factorization.

12231211311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24268276430 (or 24268276423 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 12231211311144 its reverse (44111311213221), we get a palindrome (56342522524365).

The spelling of 12231211311144 in words is "twelve trillion, two hundred thirty-one billion, two hundred eleven million, three hundred eleven thousand, one hundred forty-four".