801810212 has 48 divisors (see below), whose sum is σ = 1679045760. Its totient is φ = 327758592.

The previous prime is 801810197. The next prime is 801810221. The reversal of 801810212 is 212018108.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61448 + ... + 73344.

It is an arithmetic number, because the mean of its divisors is an integer number (34980120).

Almost surely, 2^801810212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801810212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839522880).

801810212 is an abundant number, since it is smaller than the sum of its proper divisors (877235548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

801810212 is a wasteful number, since it uses less digits than its factorization.

801810212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020 (or 12018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 801810212 is about 28316.2534951218. The cubic root of 801810212 is about 929.0174275821.

The spelling of 801810212 in words is "eight hundred one million, eight hundred ten thousand, two hundred twelve".