12219421295 has 16 divisors (see below), whose sum is σ = 15172241760. Its totient is φ = 9436393344.

The previous prime is 12219421283. The next prime is 12219421297. The reversal of 12219421295 is 59212491221.

It is a cyclic number.

It is not a de Polignac number, because 12219421295 - 2⁶ = 12219421231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219421297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323164 + ... + 1332366.

It is an arithmetic number, because the mean of its divisors is an integer number (948265110).

Almost surely, 2^12219421295 is an apocalyptic number.

12219421295 is a deficient number, since it is larger than the sum of its proper divisors (2952820465).

12219421295 is an equidigital number, since it uses as much as digits as its factorization.

12219421295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18394.

The product of its digits is 25920, while the sum is 38.

The spelling of 12219421295 in words is "twelve billion, two hundred nineteen million, four hundred twenty-one thousand, two hundred ninety-five".