1212210201019 has 2 divisors, whose sum is σ = 1212210201020. Its totient is φ = 1212210201018.

The previous prime is 1212210200933. The next prime is 1212210201029. The reversal of 1212210201019 is 9101020122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210201019 - 2⁹ = 1212210200507 is a prime.

It is a super-2 number, since 2×1212210201019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212210201029) 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, 606105100509 + 606105100510.

It is an arithmetic number, because the mean of its divisors is an integer number (606105100510).

Almost surely, 2^{1212210201019} is an apocalyptic number.

1212210201019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210201019 is an equidigital number, since it uses as much as digits as its factorization.

1212210201019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1212210201019 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, nineteen".