801212105 has 8 divisors (see below), whose sum is σ = 961621632. Its totient is φ = 640858288.

The previous prime is 801212099. The next prime is 801212123. The reversal of 801212105 is 501212108.

It is a happy number.

801212105 is digitally balanced in base 2, 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 801212105 - 2⁸ = 801211849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30752 + ... + 50478.

It is an arithmetic number, because the mean of its divisors is an integer number (120202704).

Almost surely, 2^801212105 is an apocalyptic number.

It is an amenable number.

801212105 is a deficient number, since it is larger than the sum of its proper divisors (160409527).

801212105 is a wasteful number, since it uses less digits than its factorization.

801212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 801212105 is about 28305.6903289780. The cubic root of 801212105 is about 928.7863712225.

The spelling of 801212105 in words is "eight hundred one million, two hundred twelve thousand, one hundred five".