12237220579 has 4 divisors (see below), whose sum is σ = 12881284840. Its totient is φ = 11593156320.

The previous prime is 12237220571. The next prime is 12237220591. The reversal of 12237220579 is 97502273221.

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 12237220579 - 2³ = 12237220571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12237220571) 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, 322032102 + ... + 322032139.

It is an arithmetic number, because the mean of its divisors is an integer number (3220321210).

Almost surely, 2^12237220579 is an apocalyptic number.

12237220579 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12237220579 is a deficient number, since it is larger than the sum of its proper divisors (644064261).

12237220579 is an equidigital number, since it uses as much as digits as its factorization.

12237220579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644064260.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 12237220579 in words is "twelve billion, two hundred thirty-seven million, two hundred twenty thousand, five hundred seventy-nine".