12221362837 has 24 divisors (see below), whose sum is σ = 13155523200. Its totient is φ = 11321837568.

The previous prime is 12221362831. The next prime is 12221362843. The reversal of 12221362837 is 73826312221.

12221362837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221362831) and next prime (12221362843).

It is not a de Polignac number, because 12221362837 - 2⁷ = 12221362709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221362796 and 12221362805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221362831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16997364 + ... + 16998082.

It is an arithmetic number, because the mean of its divisors is an integer number (548146800).

Almost surely, 2^12221362837 is an apocalyptic number.

It is an amenable number.

12221362837 is a deficient number, since it is larger than the sum of its proper divisors (934160363).

12221362837 is an equidigital number, since it uses as much as digits as its factorization.

12221362837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1054 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The spelling of 12221362837 in words is "twelve billion, two hundred twenty-one million, three hundred sixty-two thousand, eight hundred thirty-seven".