12011021302213 has 2 divisors, whose sum is σ = 12011021302214. Its totient is φ = 12011021302212.

The previous prime is 12011021302211. The next prime is 12011021302303. The reversal of 12011021302213 is 31220312011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9119059169284 + 2891962132929 = 3019778^2 + 1700577^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011021302213 - 2¹ = 12011021302211 is a prime.

Together with 12011021302211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011021302211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005510651106 + 6005510651107.

It is an arithmetic number, because the mean of its divisors is an integer number (6005510651107).

Almost surely, 2^{12011021302213} is an apocalyptic number.

It is an amenable number.

12011021302213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011021302213 is an equidigital number, since it uses as much as digits as its factorization.

12011021302213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12011021302213 its reverse (31220312011021), we get a palindrome (43231333313234).

The spelling of 12011021302213 in words is "twelve trillion, eleven billion, twenty-one million, three hundred two thousand, two hundred thirteen".