12221753799 has 4 divisors (see below), whose sum is σ = 16295671736. Its totient is φ = 8147835864.

The previous prime is 12221753783. The next prime is 12221753809. The reversal of 12221753799 is 99735712221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12221753799 - 2⁴ = 12221753783 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 (12221753749) 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, 2036958964 + ... + 2036958969.

It is an arithmetic number, because the mean of its divisors is an integer number (4073917934).

Almost surely, 2^12221753799 is an apocalyptic number.

12221753799 is a deficient number, since it is larger than the sum of its proper divisors (4073917937).

12221753799 is an equidigital number, since it uses as much as digits as its factorization.

12221753799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073917936.

The product of its digits is 476280, while the sum is 48.

The spelling of 12221753799 in words is "twelve billion, two hundred twenty-one million, seven hundred fifty-three thousand, seven hundred ninety-nine".