1223489214964 has 24 divisors (see below), whose sum is σ = 2147270577480. Its totient is φ = 609985829376.

The previous prime is 1223489214947. The next prime is 1223489214977. The reversal of 1223489214964 is 4694129843221.

It can be written as a sum of positive squares in 4 ways, for example, as 38095232400 + 1185393982564 = 195180^2 + 1088758^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655992 + ... + 2278000.

It is an arithmetic number, because the mean of its divisors is an integer number (89469607395).

Almost surely, 2^{1223489214964} is an apocalyptic number.

It is an amenable number.

1223489214964 is a deficient number, since it is larger than the sum of its proper divisors (923781362516).

1223489214964 is a wasteful number, since it uses less digits than its factorization.

1223489214964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623427 (or 623425 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The spelling of 1223489214964 in words is "one trillion, two hundred twenty-three billion, four hundred eighty-nine million, two hundred fourteen thousand, nine hundred sixty-four".