12131002012303 has 2 divisors, whose sum is σ = 12131002012304. Its totient is φ = 12131002012302.

The previous prime is 12131002012249. The next prime is 12131002012307. The reversal of 12131002012303 is 30321020013121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12131002012303 is a prime.

It is a super-2 number, since 2×12131002012303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131002012307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065501006151 + 6065501006152.

It is an arithmetic number, because the mean of its divisors is an integer number (6065501006152).

Almost surely, 2^{12131002012303} is an apocalyptic number.

12131002012303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131002012303 is an equidigital number, since it uses as much as digits as its factorization.

12131002012303 is an evil number, because the sum of its binary digits is even.

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

Adding to 12131002012303 its reverse (30321020013121), we get a palindrome (42452022025424).

The spelling of 12131002012303 in words is "twelve trillion, one hundred thirty-one billion, two million, twelve thousand, three hundred three".