13212321213337 has 2 divisors, whose sum is σ = 13212321213338. Its totient is φ = 13212321213336.

The previous prime is 13212321213281. The next prime is 13212321213389. The reversal of 13212321213337 is 73331212321231.

13212321213337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11988047565376 + 1224273647961 = 3462376^2 + 1106469^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212321213337 - 2¹¹ = 13212321211289 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212321213737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606160606668 + 6606160606669.

It is an arithmetic number, because the mean of its divisors is an integer number (6606160606669).

Almost surely, 2^{13212321213337} is an apocalyptic number.

It is an amenable number.

13212321213337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212321213337 is an equidigital number, since it uses as much as digits as its factorization.

13212321213337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

Adding to 13212321213337 its reverse (73331212321231), we get a palindrome (86543533534568).

The spelling of 13212321213337 in words is "thirteen trillion, two hundred twelve billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-seven".