12221632263 has 16 divisors (see below), whose sum is σ = 16652021760. Its totient is φ = 7969703136.

The previous prime is 12221632249. The next prime is 12221632307. The reversal of 12221632263 is 36223612221.

It is a de Polignac number, because none of the positive numbers 2^k-12221632263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12221632263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221632063) 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 15 ways as a sum of consecutive naturals, for example, 223381 + ... + 272657.

It is an arithmetic number, because the mean of its divisors is an integer number (1040751360).

Almost surely, 2^12221632263 is an apocalyptic number.

12221632263 is a deficient number, since it is larger than the sum of its proper divisors (4430389497).

12221632263 is a wasteful number, since it uses less digits than its factorization.

12221632263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51086.

The product of its digits is 10368, while the sum is 30.

The spelling of 12221632263 in words is "twelve billion, two hundred twenty-one million, six hundred thirty-two thousand, two hundred sixty-three".