1213214411 has 2 divisors, whose sum is σ = 1213214412. Its totient is φ = 1213214410.

The previous prime is 1213214399. The next prime is 1213214413. The reversal of 1213214411 is 1144123121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213214411 - 2⁶ = 1213214347 is a prime.

Together with 1213214413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1213214413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606607205 + 606607206.

It is an arithmetic number, because the mean of its divisors is an integer number (606607206).

Almost surely, 2^1213214411 is an apocalyptic number.

1213214411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213214411 is an equidigital number, since it uses as much as digits as its factorization.

1213214411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 1213214411 is about 34831.2275264596. The cubic root of 1213214411 is about 1066.5450067082.

Adding to 1213214411 its reverse (1144123121), we get a palindrome (2357337532).

The spelling of 1213214411 in words is "one billion, two hundred thirteen million, two hundred fourteen thousand, four hundred eleven".