212013113329 has 2 divisors, whose sum is σ = 212013113330. Its totient is φ = 212013113328.

The previous prime is 212013113287. The next prime is 212013113381. The reversal of 212013113329 is 923311310212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196723296225 + 15289817104 = 443535^2 + 123652^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013113329 - 2⁷ = 212013113201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212013113297 and 212013113306.

It is not a weakly prime, because it can be changed into another prime (212013113399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006556664 + 106006556665.

It is an arithmetic number, because the mean of its divisors is an integer number (106006556665).

Almost surely, 2^212013113329 is an apocalyptic number.

It is an amenable number.

212013113329 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013113329 is an equidigital number, since it uses as much as digits as its factorization.

212013113329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 212013113329 in words is "two hundred twelve billion, thirteen million, one hundred thirteen thousand, three hundred twenty-nine".