1312321233202 has 32 divisors (see below), whose sum is σ = 2297753233920. Its totient is φ = 550410482880.

The previous prime is 1312321233161. The next prime is 1312321233257. The reversal of 1312321233202 is 2023321232131.

It is a super-2 number, since 2×1312321233202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8363752 + ... + 8519212.

It is an arithmetic number, because the mean of its divisors is an integer number (71804788560).

Almost surely, 2^{1312321233202} is an apocalyptic number.

1312321233202 is a deficient number, since it is larger than the sum of its proper divisors (985432000718).

1312321233202 is a wasteful number, since it uses less digits than its factorization.

1312321233202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168346.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1312321233202 its reverse (2023321232131), we get a palindrome (3335642465333).

The spelling of 1312321233202 in words is "one trillion, three hundred twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred two".