1212032243 has 2 divisors, whose sum is σ = 1212032244. Its totient is φ = 1212032242.

The previous prime is 1212032167. The next prime is 1212032257. The reversal of 1212032243 is 3422302121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212032243 is a prime.

It is a super-2 number, since 2×1212032243² = 2938044316143222098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212032543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606016121 + 606016122.

It is an arithmetic number, because the mean of its divisors is an integer number (606016122).

Almost surely, 2^1212032243 is an apocalyptic number.

1212032243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212032243 is an equidigital number, since it uses as much as digits as its factorization.

1212032243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1212032243 is about 34814.2534459666. The cubic root of 1212032243 is about 1066.1984768310.

Adding to 1212032243 its reverse (3422302121), we get a palindrome (4634334364).

The spelling of 1212032243 in words is "one billion, two hundred twelve million, thirty-two thousand, two hundred forty-three".