3321212243 has 2 divisors, whose sum is σ = 3321212244. Its totient is φ = 3321212242.

The previous prime is 3321212239. The next prime is 3321212261. The reversal of 3321212243 is 3422121233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3321212243 - 2² = 3321212239 is a prime.

It is a super-2 number, since 2×3321212243² = 22060901526106182098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321212143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660606121 + 1660606122.

It is an arithmetic number, because the mean of its divisors is an integer number (1660606122).

Almost surely, 2^3321212243 is an apocalyptic number.

3321212243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321212243 is an equidigital number, since it uses as much as digits as its factorization.

3321212243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 3321212243 is about 57629.9595956825. The cubic root of 3321212243 is about 1491.9887326438.

Adding to 3321212243 its reverse (3422121233), we get a palindrome (6743333476).

The spelling of 3321212243 in words is "three billion, three hundred twenty-one million, two hundred twelve thousand, two hundred forty-three".