800420305812 has 48 divisors (see below), whose sum is σ = 1870957025280. Its totient is φ = 266334372832.

The previous prime is 800420305807. The next prime is 800420305819. The reversal of 800420305812 is 218503024008.

800420305812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800420305819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16328323 + ... + 16377269.

It is an arithmetic number, because the mean of its divisors is an integer number (38978271360).

Almost surely, 2^800420305812 is an apocalyptic number.

It is an amenable number.

800420305812 is an abundant number, since it is smaller than the sum of its proper divisors (1070536719468).

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

800420305812 is a wasteful number, since it uses less digits than its factorization.

800420305812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51340 (or 51338 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 800420305812 in words is "eight hundred billion, four hundred twenty million, three hundred five thousand, eight hundred twelve".