212012110010105 has 8 divisors (see below), whose sum is σ = 267804770539200. Its totient is φ = 160682862323376.

The previous prime is 212012110010033. The next prime is 212012110010123. The reversal of 212012110010105 is 501010011210212.

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 212012110010105 - 2³⁸ = 211737232103161 is a prime.

It is a super-2 number, since 2×212012110010105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115853210485 + ... + 1115853210674.

It is an arithmetic number, because the mean of its divisors is an integer number (33475596317400).

Almost surely, 2^{212012110010105} is an apocalyptic number.

It is an amenable number.

212012110010105 is a deficient number, since it is larger than the sum of its proper divisors (55792660529095).

212012110010105 is a wasteful number, since it uses less digits than its factorization.

212012110010105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231706421183.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 212012110010105 its reverse (501010011210212), we get a palindrome (713022121220317).

The spelling of 212012110010105 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, ten thousand, one hundred five".