12265452499 has 4 divisors (see below), whose sum is σ = 12333974760. Its totient is φ = 12196930240.

The previous prime is 12265452461. The next prime is 12265452503. The reversal of 12265452499 is 99425456221.

It is a happy number.

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 12265452499 - 2⁷ = 12265452371 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12265452439) 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, 34260862 + ... + 34261219.

It is an arithmetic number, because the mean of its divisors is an integer number (3083493690).

Almost surely, 2^12265452499 is an apocalyptic number.

12265452499 is a deficient number, since it is larger than the sum of its proper divisors (68522261).

12265452499 is an equidigital number, since it uses as much as digits as its factorization.

12265452499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68522260.

The product of its digits is 1555200, while the sum is 49.

The spelling of 12265452499 in words is "twelve billion, two hundred sixty-five million, four hundred fifty-two thousand, four hundred ninety-nine".