1212255367 has 2 divisors, whose sum is σ = 1212255368. Its totient is φ = 1212255366.

The previous prime is 1212255313. The next prime is 1212255391. The reversal of 1212255367 is 7635522121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7635522121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212255367 - 2¹¹ = 1212253319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242255367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606127683 + 606127684.

It is an arithmetic number, because the mean of its divisors is an integer number (606127684).

Almost surely, 2^1212255367 is an apocalyptic number.

1212255367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212255367 is an equidigital number, since it uses as much as digits as its factorization.

1212255367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 1212255367 is about 34817.4577905969. The cubic root of 1212255367 is about 1066.2638985978.

Adding to 1212255367 its reverse (7635522121), we get a palindrome (8847777488).

The spelling of 1212255367 in words is "one billion, two hundred twelve million, two hundred fifty-five thousand, three hundred sixty-seven".