12311333021203 has 2 divisors, whose sum is σ = 12311333021204. Its totient is φ = 12311333021202.

The previous prime is 12311333021189. The next prime is 12311333021209. The reversal of 12311333021203 is 30212033311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12311333021203 - 2¹³ = 12311333013011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311333021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155666510601 + 6155666510602.

It is an arithmetic number, because the mean of its divisors is an integer number (6155666510602).

Almost surely, 2^{12311333021203} is an apocalyptic number.

12311333021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311333021203 is an equidigital number, since it uses as much as digits as its factorization.

12311333021203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12311333021203 its reverse (30212033311321), we get a palindrome (42523366332524).

The spelling of 12311333021203 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-three million, twenty-one thousand, two hundred three".