212033201219909 has 2 divisors, whose sum is σ = 212033201219910. Its totient is φ = 212033201219908.

The previous prime is 212033201219867. The next prime is 212033201220077. The reversal of 212033201219909 is 909912102330212.

It is a happy number.

212033201219909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202772530591684 + 9260670628225 = 14239822^2 + 3043135^2 .

It is a cyclic number.

It is not a de Polignac number, because 212033201219909 - 2²⁴ = 212033184442693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212033201219909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212033201219809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106016600609954 + 106016600609955.

It is an arithmetic number, because the mean of its divisors is an integer number (106016600609955).

Almost surely, 2^{212033201219909} is an apocalyptic number.

It is an amenable number.

212033201219909 is a deficient number, since it is larger than the sum of its proper divisors (1).

212033201219909 is an equidigital number, since it uses as much as digits as its factorization.

212033201219909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 212033201219909 in words is "two hundred twelve trillion, thirty-three billion, two hundred one million, two hundred nineteen thousand, nine hundred nine".