1312321010312 has 16 divisors (see below), whose sum is σ = 2649878963340. Its totient is φ = 605686620096.

The previous prime is 1312321010257. The next prime is 1312321010387. The reversal of 1312321010312 is 2130101232131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1312156504036 + 164506276 = 1145494^2 + 12826^2 .

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, 6309235523 + ... + 6309235730.

Almost surely, 2^{1312321010312} is an apocalyptic number.

It is an amenable number.

1312321010312 is an abundant number, since it is smaller than the sum of its proper divisors (1337557953028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312321010312 is a wasteful number, since it uses less digits than its factorization.

1312321010312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12618471272 (or 12618471268 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312321010312 its reverse (2130101232131), we get a palindrome (3442422242443).

The spelling of 1312321010312 in words is "one trillion, three hundred twelve billion, three hundred twenty-one million, ten thousand, three hundred twelve".