212012102212109 has 8 divisors (see below), whose sum is σ = 225937041396480. Its totient is φ = 198479414835856.

The previous prime is 212012102212051. The next prime is 212012102212153. The reversal of 212012102212109 is 901212201210212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212012102212109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012102212189) 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, 98062950914 + ... + 98062953075.

It is an arithmetic number, because the mean of its divisors is an integer number (28242130174560).

Almost surely, 2^{212012102212109} is an apocalyptic number.

It is an amenable number.

212012102212109 is a deficient number, since it is larger than the sum of its proper divisors (13924939184371).

212012102212109 is a wasteful number, since it uses less digits than its factorization.

212012102212109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196125904059.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 212012102212109 in words is "two hundred twelve trillion, twelve billion, one hundred two million, two hundred twelve thousand, one hundred nine".