1212264223 has 2 divisors, whose sum is σ = 1212264224. Its totient is φ = 1212264222.

The previous prime is 1212264199. The next prime is 1212264257. The reversal of 1212264223 is 3224622121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212264223 - 2¹⁷ = 1212133151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212264623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606132111 + 606132112.

It is an arithmetic number, because the mean of its divisors is an integer number (606132112).

Almost surely, 2^1212264223 is an apocalyptic number.

1212264223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212264223 is an equidigital number, since it uses as much as digits as its factorization.

1212264223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1212264223 is about 34817.5849679440. The cubic root of 1212264223 is about 1066.2664950832.

Adding to 1212264223 its reverse (3224622121), we get a palindrome (4436886344).

The spelling of 1212264223 in words is "one billion, two hundred twelve million, two hundred sixty-four thousand, two hundred twenty-three".