12225643263 has 12 divisors (see below), whose sum is σ = 17673623968. Its totient is φ = 8143800480.

The previous prime is 12225643249. The next prime is 12225643277. The reversal of 12225643263 is 36234652221.

12225643263 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 5 + 643 + 2 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (12225643249) and next prime (12225643277).

It is not a de Polignac number, because 12225643263 - 2⁴ = 12225643247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225643163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540670 + ... + 562827.

Almost surely, 2^12225643263 is an apocalyptic number.

12225643263 is a deficient number, since it is larger than the sum of its proper divisors (5447980705).

12225643263 is a wasteful number, since it uses less digits than its factorization.

12225643263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104734 (or 1104731 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 12225643263 in words is "twelve billion, two hundred twenty-five million, six hundred forty-three thousand, two hundred sixty-three".