12201213113213 has 2 divisors, whose sum is σ = 12201213113214. Its totient is φ = 12201213113212.

The previous prime is 12201213113197. The next prime is 12201213113233. The reversal of 12201213113213 is 31231131210221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9318134763844 + 2883078349369 = 3052562^2 + 1697963^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201213113213 - 2⁴ = 12201213113197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201213113233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100606556606 + 6100606556607.

It is an arithmetic number, because the mean of its divisors is an integer number (6100606556607).

Almost surely, 2^{12201213113213} is an apocalyptic number.

It is an amenable number.

12201213113213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201213113213 is an equidigital number, since it uses as much as digits as its factorization.

12201213113213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12201213113213 its reverse (31231131210221), we get a palindrome (43432344323434).

It can be divided in two parts, 1220121 and 3113213, that added together give a palindrome (4333334).

The spelling of 12201213113213 in words is "twelve trillion, two hundred one billion, two hundred thirteen million, one hundred thirteen thousand, two hundred thirteen".