1212210010943 has 2 divisors, whose sum is σ = 1212210010944. Its totient is φ = 1212210010942.

The previous prime is 1212210010931. The next prime is 1212210010987. The reversal of 1212210010943 is 3490100122121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3490100122121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212210010943 is a prime.

It is a super-2 number, since 2×1212210010943² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210010903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105005471 + 606105005472.

It is an arithmetic number, because the mean of its divisors is an integer number (606105005472).

Almost surely, 2^{1212210010943} is an apocalyptic number.

1212210010943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210010943 is an equidigital number, since it uses as much as digits as its factorization.

1212210010943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1212210010943 in words is "one trillion, two hundred twelve billion, two hundred ten million, ten thousand, nine hundred forty-three".