12451110144 has 72 divisors (see below), whose sum is σ = 36150690912. Its totient is φ = 3773061120.

The previous prime is 12451110137. The next prime is 12451110149. The reversal of 12451110144 is 44101115421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451110149) 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, 728479 + ... + 745374.

Almost surely, 2^12451110144 is an apocalyptic number.

It is an amenable number.

12451110144 is an abundant number, since it is smaller than the sum of its proper divisors (23699580768).

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

12451110144 is a wasteful number, since it uses less digits than its factorization.

12451110144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473883 (or 1473869 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 12451110144 its reverse (44101115421), we get a palindrome (56552225565).

The spelling of 12451110144 in words is "twelve billion, four hundred fifty-one million, one hundred ten thousand, one hundred forty-four".