12305010144 has 72 divisors (see below), whose sum is σ = 37574241768. Its totient is φ = 3515715840.

The previous prime is 12305010127. The next prime is 12305010173. The reversal of 12305010144 is 44101050321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12305010144.

It is a congruent number.

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, 1303227 + ... + 1312634.

It is an arithmetic number, because the mean of its divisors is an integer number (521864469).

Almost surely, 2^12305010144 is an apocalyptic number.

12305010144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12305010144 is an abundant number, since it is smaller than the sum of its proper divisors (25269231624).

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

12305010144 is a wasteful number, since it uses less digits than its factorization.

12305010144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615888 (or 2615873 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12305010144 its reverse (44101050321), we get a palindrome (56406060465).

The spelling of 12305010144 in words is "twelve billion, three hundred five million, ten thousand, one hundred forty-four".