12221069479 has 8 divisors (see below), whose sum is σ = 12354900768. Its totient is φ = 12087398400.

The previous prime is 12221069473. The next prime is 12221069491. The reversal of 12221069479 is 97496012221.

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 12221069479 - 2⁹ = 12221068967 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 (12221069473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116679 + ... + 195079.

It is an arithmetic number, because the mean of its divisors is an integer number (1544362596).

Almost surely, 2^12221069479 is an apocalyptic number.

12221069479 is a deficient number, since it is larger than the sum of its proper divisors (133831289).

12221069479 is an equidigital number, since it uses as much as digits as its factorization.

12221069479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80105.

The product of its (nonzero) digits is 108864, while the sum is 43.

It can be divided in two parts, 1222 and 1069479, that added together give a palindrome (1070701).

The spelling of 12221069479 in words is "twelve billion, two hundred twenty-one million, sixty-nine thousand, four hundred seventy-nine".