1212234043 has 2 divisors, whose sum is σ = 1212234044. Its totient is φ = 1212234042.

The previous prime is 1212234041. The next prime is 1212234053. The reversal of 1212234043 is 3404322121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212234043 - 2¹ = 1212234041 is a prime.

It is a super-2 number, since 2×1212234043² = 2939022750016251698, which contains 22 as substring.

Together with 1212234041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1212234041) 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, 606117021 + 606117022.

It is an arithmetic number, because the mean of its divisors is an integer number (606117022).

Almost surely, 2^1212234043 is an apocalyptic number.

1212234043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212234043 is an equidigital number, since it uses as much as digits as its factorization.

1212234043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1212234043 is about 34817.1515635613. The cubic root of 1212234043 is about 1066.2576465750.

Adding to 1212234043 its reverse (3404322121), we get a palindrome (4616556164).

The spelling of 1212234043 in words is "one billion, two hundred twelve million, two hundred thirty-four thousand, forty-three".