12001223012213 has 2 divisors, whose sum is σ = 12001223012214. Its totient is φ = 12001223012212.

The previous prime is 12001223012209. The next prime is 12001223012237. The reversal of 12001223012213 is 31221032210021.

12001223012213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9869135344324 + 2132087667889 = 3141518^2 + 1460167^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001223012213 - 2² = 12001223012209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001223012203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000611506106 + 6000611506107.

It is an arithmetic number, because the mean of its divisors is an integer number (6000611506107).

Almost surely, 2^{12001223012213} is an apocalyptic number.

It is an amenable number.

12001223012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001223012213 is an equidigital number, since it uses as much as digits as its factorization.

12001223012213 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 12001223012213 its reverse (31221032210021), we get a palindrome (43222255222234).

The spelling of 12001223012213 in words is "twelve trillion, one billion, two hundred twenty-three million, twelve thousand, two hundred thirteen".