12244031544 has 32 divisors (see below), whose sum is σ = 30661733520. Its totient is φ = 4074456576.

The previous prime is 12244031543. The next prime is 12244031557. The reversal of 12244031544 is 44513044221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244031543) 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, 415927 + ... + 444390.

Almost surely, 2^12244031544 is an apocalyptic number.

It is an amenable number.

12244031544 is an abundant number, since it is smaller than the sum of its proper divisors (18417701976).

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

12244031544 is a wasteful number, since it uses less digits than its factorization.

12244031544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860919 (or 860915 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 12244031544 its reverse (44513044221), we get a palindrome (56757075765).

The spelling of 12244031544 in words is "twelve billion, two hundred forty-four million, thirty-one thousand, five hundred forty-four".