12222345679 has 8 divisors (see below), whose sum is σ = 12555955440. Its totient is φ = 11888908416.

The previous prime is 12222345637. The next prime is 12222345683. The reversal of 12222345679 is 97654322221.

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 12222345679 - 2⁹ = 12222345167 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222340679) 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, 107607 + ... + 189799.

It is an arithmetic number, because the mean of its divisors is an integer number (1569494430).

Almost surely, 2^12222345679 is an apocalyptic number.

12222345679 is a deficient number, since it is larger than the sum of its proper divisors (333609761).

12222345679 is an equidigital number, since it uses as much as digits as its factorization.

12222345679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86249.

The product of its digits is 362880, while the sum is 43.

The spelling of 12222345679 in words is "twelve billion, two hundred twenty-two million, three hundred forty-five thousand, six hundred seventy-nine".