1212344233 has 2 divisors, whose sum is σ = 1212344234. Its totient is φ = 1212344232.

The previous prime is 1212344227. The next prime is 1212344251. The reversal of 1212344233 is 3324432121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916091289 + 296252944 = 30267^2 + 17212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212344233 - 2⁵ = 1212344201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212344198 and 1212344207.

It is not a weakly prime, because it can be changed into another prime (1212344633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606172116 + 606172117.

It is an arithmetic number, because the mean of its divisors is an integer number (606172117).

Almost surely, 2^1212344233 is an apocalyptic number.

It is an amenable number.

1212344233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212344233 is an equidigital number, since it uses as much as digits as its factorization.

1212344233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 1212344233 is about 34818.7339373505. The cubic root of 1212344233 is about 1066.2899525946.

Adding to 1212344233 its reverse (3324432121), we get a palindrome (4536776354).

The spelling of 1212344233 in words is "one billion, two hundred twelve million, three hundred forty-four thousand, two hundred thirty-three".