20012202121313 has 2 divisors, whose sum is σ = 20012202121314. Its totient is φ = 20012202121312.

The previous prime is 20012202121297. The next prime is 20012202121349. The reversal of 20012202121313 is 31312120221002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19023973275904 + 988228845409 = 4361648^2 + 994097^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012202121313 - 2⁴ = 20012202121297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012202123313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006101060656 + 10006101060657.

It is an arithmetic number, because the mean of its divisors is an integer number (10006101060657).

Almost surely, 2^{20012202121313} is an apocalyptic number.

It is an amenable number.

20012202121313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012202121313 is an equidigital number, since it uses as much as digits as its factorization.

20012202121313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20012202121313 its reverse (31312120221002), we get a palindrome (51324322342315).

The spelling of 20012202121313 in words is "twenty trillion, twelve billion, two hundred two million, one hundred twenty-one thousand, three hundred thirteen".