12450144331 has 4 divisors (see below), whose sum is σ = 12453143472. Its totient is φ = 12447145192.

The previous prime is 12450144313. The next prime is 12450144353. The reversal of 12450144331 is 13344105421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13344105421 = 1877 ⋅7109273.

It is a cyclic number.

It is not a de Polignac number, because 12450144331 - 2²⁷ = 12315926603 is a prime.

It is a super-2 number, since 2×12450144331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12450144331.

It is not an unprimeable number, because it can be changed into a prime (12450144731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493335 + ... + 1501648.

It is an arithmetic number, because the mean of its divisors is an integer number (3113285868).

Almost surely, 2^12450144331 is an apocalyptic number.

12450144331 is a deficient number, since it is larger than the sum of its proper divisors (2999141).

12450144331 is an equidigital number, since it uses as much as digits as its factorization.

12450144331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999140.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12450144331 its reverse (13344105421), we get a palindrome (25794249752).

The spelling of 12450144331 in words is "twelve billion, four hundred fifty million, one hundred forty-four thousand, three hundred thirty-one".