212011012105 has 8 divisors (see below), whose sum is σ = 254416148352. Its totient is φ = 169606853808.

The previous prime is 212011012033. The next prime is 212011012127. The reversal of 212011012105 is 501210110212.

212011012105 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

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 212011012105 - 2³³ = 203421077513 is a prime.

It is a Duffinian number.

212011012105 is strictly pandigital in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375294 + ... + 751576.

It is an arithmetic number, because the mean of its divisors is an integer number (31802018544).

Almost surely, 2^212011012105 is an apocalyptic number.

It is an amenable number.

212011012105 is a deficient number, since it is larger than the sum of its proper divisors (42405136247).

212011012105 is a wasteful number, since it uses less digits than its factorization.

212011012105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488975.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 212011012105 its reverse (501210110212), we get a palindrome (713221122317).

The spelling of 212011012105 in words is "two hundred twelve billion, eleven million, twelve thousand, one hundred five".