12451510223 has 4 divisors (see below), whose sum is σ = 12516701568. Its totient is φ = 12386318880.

The previous prime is 12451510153. The next prime is 12451510229. The reversal of 12451510223 is 32201515421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12451510223 - 2²⁴ = 12434733007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12451510192 and 12451510201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451510229) 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, 32595386 + ... + 32595767.

It is an arithmetic number, because the mean of its divisors is an integer number (3129175392).

Almost surely, 2^12451510223 is an apocalyptic number.

12451510223 is a deficient number, since it is larger than the sum of its proper divisors (65191345).

12451510223 is an equidigital number, since it uses as much as digits as its factorization.

12451510223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65191344.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12451510223 in words is "twelve billion, four hundred fifty-one million, five hundred ten thousand, two hundred twenty-three".