1222343411999 has 4 divisors (see below), whose sum is σ = 1294245965664. Its totient is φ = 1150440858336.

The previous prime is 1222343411957. The next prime is 1222343412007. The reversal of 1222343411999 is 9991143432221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222343411999 - 2²⁰ = 1222342363423 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 (1222343411699) 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 3 ways as a sum of consecutive naturals, for example, 35951276807 + ... + 35951276840.

It is an arithmetic number, because the mean of its divisors is an integer number (323561491416).

Almost surely, 2^{1222343411999} is an apocalyptic number.

1222343411999 is a deficient number, since it is larger than the sum of its proper divisors (71902553665).

1222343411999 is an equidigital number, since it uses as much as digits as its factorization.

1222343411999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71902553664.

The product of its digits is 839808, while the sum is 50.

The spelling of 1222343411999 in words is "one trillion, two hundred twenty-two billion, three hundred forty-three million, four hundred eleven thousand, nine hundred ninety-nine".