12121022111239 has 2 divisors, whose sum is σ = 12121022111240. Its totient is φ = 12121022111238.

The previous prime is 12121022111227. The next prime is 12121022111333. The reversal of 12121022111239 is 93211122012121.

It is a weak prime.

It is an emirp because it is prime and its reverse (93211122012121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121022111239 - 2⁵ = 12121022111207 is a prime.

It is a super-2 number, since 2×12121022111239² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121022118239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060511055619 + 6060511055620.

It is an arithmetic number, because the mean of its divisors is an integer number (6060511055620).

Almost surely, 2^{12121022111239} is an apocalyptic number.

12121022111239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121022111239 is an equidigital number, since it uses as much as digits as its factorization.

12121022111239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 12121022111239 in words is "twelve trillion, one hundred twenty-one billion, twenty-two million, one hundred eleven thousand, two hundred thirty-nine".