12277221839 has 8 divisors (see below), whose sum is σ = 12474263808. Its totient is φ = 12080585880.

The previous prime is 12277221829. The next prime is 12277221851. The reversal of 12277221839 is 93812277221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12277221839 - 2³² = 7982254543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12277221839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277221829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40247 + ... + 161784.

It is an arithmetic number, because the mean of its divisors is an integer number (1559282976).

Almost surely, 2^12277221839 is an apocalyptic number.

12277221839 is a deficient number, since it is larger than the sum of its proper divisors (197041969).

12277221839 is an equidigital number, since it uses as much as digits as its factorization.

12277221839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203005.

The product of its digits is 169344, while the sum is 44.

The spelling of 12277221839 in words is "twelve billion, two hundred seventy-seven million, two hundred twenty-one thousand, eight hundred thirty-nine".