212010011209 has 8 divisors (see below), whose sum is σ = 215040416768. Its totient is φ = 209000872080.

The previous prime is 212010011207. The next prime is 212010011219. The reversal of 212010011209 is 902110010212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212010011209 - 2¹ = 212010011207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010011201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296527 + ... + 5336404.

It is an arithmetic number, because the mean of its divisors is an integer number (26880052096).

Almost surely, 2^212010011209 is an apocalyptic number.

It is an amenable number.

212010011209 is a deficient number, since it is larger than the sum of its proper divisors (3030405559).

212010011209 is a wasteful number, since it uses less digits than its factorization.

212010011209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633215.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 212010011209 in words is "two hundred twelve billion, ten million, eleven thousand, two hundred nine".