1212212210983 has 2 divisors, whose sum is σ = 1212212210984. Its totient is φ = 1212212210982.

The previous prime is 1212212210929. The next prime is 1212212211017. The reversal of 1212212210983 is 3890122122121.

It is an a-pointer prime, because the next prime (1212212211017) can be obtained adding 1212212210983 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212212210983 - 2²¹ = 1212210113831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212212210683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106105491 + 606106105492.

It is an arithmetic number, because the mean of its divisors is an integer number (606106105492).

Almost surely, 2^{1212212210983} is an apocalyptic number.

1212212210983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212210983 is an equidigital number, since it uses as much as digits as its factorization.

1212212210983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 1212212210983 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two hundred ten thousand, nine hundred eighty-three".