12222277839 has 20 divisors (see below), whose sum is σ = 19218918840. Its totient is φ = 7719332400.

The previous prime is 12222277807. The next prime is 12222277841. The reversal of 12222277839 is 93877222221.

It is not a de Polignac number, because 12222277839 - 2⁵ = 12222277807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222277794 and 12222277803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222277849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3969312 + ... + 3972389.

It is an arithmetic number, because the mean of its divisors is an integer number (960945942).

Almost surely, 2^12222277839 is an apocalyptic number.

12222277839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12222277839 is a deficient number, since it is larger than the sum of its proper divisors (6996641001).

12222277839 is an equidigital number, since it uses as much as digits as its factorization.

12222277839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941732 (or 7941723 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 12222277839 in words is "twelve billion, two hundred twenty-two million, two hundred seventy-seven thousand, eight hundred thirty-nine".