1212214411 has 2 divisors, whose sum is σ = 1212214412. Its totient is φ = 1212214410.

The previous prime is 1212214331. The next prime is 1212214417. The reversal of 1212214411 is 1144122121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1144122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212214411 - 2¹⁷ = 1212083339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212214417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606107205 + 606107206.

It is an arithmetic number, because the mean of its divisors is an integer number (606107206).

Almost surely, 2^1212214411 is an apocalyptic number.

1212214411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212214411 is an equidigital number, since it uses as much as digits as its factorization.

1212214411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 19.

The square root of 1212214411 is about 34816.8696324066. The cubic root of 1212214411 is about 1066.2518905679.

Adding to 1212214411 its reverse (1144122121), we get a palindrome (2356336532).

The spelling of 1212214411 in words is "one billion, two hundred twelve million, two hundred fourteen thousand, four hundred eleven".