1213344332402 has 8 divisors (see below), whose sum is σ = 1882775688300. Its totient is φ = 585752436304.

The previous prime is 1213344332393. The next prime is 1213344332413. The reversal of 1213344332402 is 2042334433121.

It can be written as a sum of positive squares in 2 ways, for example, as 1174685301241 + 38659031161 = 1083829^2 + 196619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 10459864877 + ... + 10459864992.

Almost surely, 2^{1213344332402} is an apocalyptic number.

1213344332402 is a deficient number, since it is larger than the sum of its proper divisors (669431355898).

1213344332402 is a wasteful number, since it uses less digits than its factorization.

1213344332402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20919729900.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1213344332402 its reverse (2042334433121), we get a palindrome (3255678765523).

The spelling of 1213344332402 in words is "one trillion, two hundred thirteen billion, three hundred forty-four million, three hundred thirty-two thousand, four hundred two".