12144310040 has 64 divisors (see below), whose sum is σ = 28528977600. Its totient is φ = 4643871232.

The previous prime is 12144310037. The next prime is 12144310049. The reversal of 12144310040 is 4001344121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12144309994 and 12144310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144310049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563514 + ... + 2568246.

It is an arithmetic number, because the mean of its divisors is an integer number (445765275).

Almost surely, 2^12144310040 is an apocalyptic number.

12144310040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12144310040 is an abundant number, since it is smaller than the sum of its proper divisors (16384667560).

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

12144310040 is a wasteful number, since it uses less digits than its factorization.

12144310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556 (or 7552 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12144310040 its reverse (4001344121), we get a palindrome (16145654161).

The spelling of 12144310040 in words is "twelve billion, one hundred forty-four million, three hundred ten thousand, forty".