13012121303 has 2 divisors, whose sum is σ = 13012121304. Its totient is φ = 13012121302.

The previous prime is 13012121263. The next prime is 13012121323. The reversal of 13012121303 is 30312121031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13012121303 - 2²² = 13007926999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012121323) 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 as a sum of consecutive naturals, namely, 6506060651 + 6506060652.

It is an arithmetic number, because the mean of its divisors is an integer number (6506060652).

Almost surely, 2^13012121303 is an apocalyptic number.

13012121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012121303 is an equidigital number, since it uses as much as digits as its factorization.

13012121303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13012121303 its reverse (30312121031), we get a palindrome (43324242334).

The spelling of 13012121303 in words is "thirteen billion, twelve million, one hundred twenty-one thousand, three hundred three".