12121367 has 2 divisors, whose sum is σ = 12121368. Its totient is φ = 12121366.

The previous prime is 12121337. The next prime is 12121379. The reversal of 12121367 is 76312121.

It is a strong prime.

It is an emirp because it is prime and its reverse (76312121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121367 - 2⁶ = 12121303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060683 + 6060684.

It is an arithmetic number, because the mean of its divisors is an integer number (6060684).

Almost surely, 2^12121367 is an apocalyptic number.

12121367 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121367 is an equidigital number, since it uses as much as digits as its factorization.

12121367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 12121367 is about 3481.5753618154. The cubic root of 12121367 is about 229.7120972347.

Adding to 12121367 its reverse (76312121), we get a palindrome (88433488).

The spelling of 12121367 in words is "twelve million, one hundred twenty-one thousand, three hundred sixty-seven".