13040314402121 has 2 divisors, whose sum is σ = 13040314402122. Its totient is φ = 13040314402120.

The previous prime is 13040314402117. The next prime is 13040314402163. The reversal of 13040314402121 is 12120441304031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10461576238096 + 2578738164025 = 3234436^2 + 1605845^2 .

It is a cyclic number.

It is not a de Polignac number, because 13040314402121 - 2² = 13040314402117 is a prime.

It is not a weakly prime, because it can be changed into another prime (13040314402421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520157201060 + 6520157201061.

It is an arithmetic number, because the mean of its divisors is an integer number (6520157201061).

Almost surely, 2^{13040314402121} is an apocalyptic number.

It is an amenable number.

13040314402121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13040314402121 is an equidigital number, since it uses as much as digits as its factorization.

13040314402121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13040314402121 its reverse (12120441304031), we get a palindrome (25160755706152).

The spelling of 13040314402121 in words is "thirteen trillion, forty billion, three hundred fourteen million, four hundred two thousand, one hundred twenty-one".