12251488079 has 4 divisors (see below), whose sum is σ = 12251716776. Its totient is φ = 12251259384.

The previous prime is 12251488049. The next prime is 12251488121. The reversal of 12251488079 is 97088415221.

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 12251488079 - 2²⁴ = 12234710863 is a prime.

It is a super-2 number, since 2×12251488079² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251488009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14117 + ... + 157169.

It is an arithmetic number, because the mean of its divisors is an integer number (3062929194).

Almost surely, 2^12251488079 is an apocalyptic number.

12251488079 is a deficient number, since it is larger than the sum of its proper divisors (228697).

12251488079 is an equidigital number, since it uses as much as digits as its factorization.

12251488079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228696.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 12251488079 in words is "twelve billion, two hundred fifty-one million, four hundred eighty-eight thousand, seventy-nine".