1312222100303 has 4 divisors (see below), whose sum is σ = 1312296200448. Its totient is φ = 1312148000160.

The previous prime is 1312222100297. The next prime is 1312222100317. The reversal of 1312222100303 is 3030012222131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312222100303 - 2⁸ = 1312222100047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312222100353) by changing a digit.

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, 37023503 + ... + 37058928.

It is an arithmetic number, because the mean of its divisors is an integer number (328074050112).

Almost surely, 2^{1312222100303} is an apocalyptic number.

1312222100303 is a deficient number, since it is larger than the sum of its proper divisors (74100145).

1312222100303 is an equidigital number, since it uses as much as digits as its factorization.

1312222100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74100144.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312222100303 its reverse (3030012222131), we get a palindrome (4342234322434).

The spelling of 1312222100303 in words is "one trillion, three hundred twelve billion, two hundred twenty-two million, one hundred thousand, three hundred three".