1312203003211 has 4 divisors (see below), whose sum is σ = 1312789072000. Its totient is φ = 1311616934424.

The previous prime is 1312203003203. The next prime is 1312203003227. The reversal of 1312203003211 is 1123003022131.

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 1312203003211 - 2³ = 1312203003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312203001211) 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, 293031036 + ... + 293035513.

It is an arithmetic number, because the mean of its divisors is an integer number (328197268000).

Almost surely, 2^{1312203003211} is an apocalyptic number.

1312203003211 is a deficient number, since it is larger than the sum of its proper divisors (586068789).

1312203003211 is an equidigital number, since it uses as much as digits as its factorization.

1312203003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586068788.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1312203003211 its reverse (1123003022131), we get a palindrome (2435206025342).

The spelling of 1312203003211 in words is "one trillion, three hundred twelve billion, two hundred three million, three thousand, two hundred eleven".