12221473967 has 8 divisors (see below), whose sum is σ = 12483979200. Its totient is φ = 11959071904.

The previous prime is 12221473951. The next prime is 12221474009. The reversal of 12221473967 is 76937412221.

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 12221473967 - 2⁴ = 12221473951 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 (12221473067) 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, 243509 + ... + 289377.

It is an arithmetic number, because the mean of its divisors is an integer number (1560497400).

Almost surely, 2^12221473967 is an apocalyptic number.

12221473967 is a deficient number, since it is larger than the sum of its proper divisors (262505233).

12221473967 is an equidigital number, since it uses as much as digits as its factorization.

12221473967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51585.

The product of its digits is 254016, while the sum is 44.

The spelling of 12221473967 in words is "twelve billion, two hundred twenty-one million, four hundred seventy-three thousand, nine hundred sixty-seven".