12121112323337 has 2 divisors, whose sum is σ = 12121112323338. Its totient is φ = 12121112323336.

The previous prime is 12121112323273. The next prime is 12121112323349. The reversal of 12121112323337 is 73332321112121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11086129613056 + 1034982710281 = 3329584^2 + 1017341^2 .

It is a cyclic number.

It is not a de Polignac number, because 12121112323337 - 2⁶ = 12121112323273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121112323387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060556161668 + 6060556161669.

It is an arithmetic number, because the mean of its divisors is an integer number (6060556161669).

Almost surely, 2^{12121112323337} is an apocalyptic number.

It is an amenable number.

12121112323337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121112323337 is an equidigital number, since it uses as much as digits as its factorization.

12121112323337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

Adding to 12121112323337 its reverse (73332321112121), we get a palindrome (85453433435458).

The spelling of 12121112323337 in words is "twelve trillion, one hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, three hundred thirty-seven".