1223489214965 has 16 divisors (see below), whose sum is σ = 1504189370880. Its totient is φ = 954795953280.

The previous prime is 1223489214947. The next prime is 1223489214977. The reversal of 1223489214965 is 5694129843221.

It is not a de Polignac number, because 1223489214965 - 2¹⁸ = 1223488952821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223489214965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236452 + ... + 1993938.

It is an arithmetic number, because the mean of its divisors is an integer number (94011835680).

Almost surely, 2^{1223489214965} is an apocalyptic number.

It is an amenable number.

1223489214965 is a deficient number, since it is larger than the sum of its proper divisors (280700155915).

1223489214965 is an equidigital number, since it uses as much as digits as its factorization.

1223489214965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765412.

The product of its digits is 7464960, while the sum is 56.

The spelling of 1223489214965 in words is "one trillion, two hundred twenty-three billion, four hundred eighty-nine million, two hundred fourteen thousand, nine hundred sixty-five".