2021470812 has 36 divisors (see below), whose sum is σ = 5111300376. Its totient is φ = 673629600.

The previous prime is 2021470793. The next prime is 2021470817. The reversal of 2021470812 is 2180741202.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021470817) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 176278 + ... + 187394.

It is an arithmetic number, because the mean of its divisors is an integer number (141980566).

Almost surely, 2^2021470812 is an apocalyptic number.

It is an amenable number.

2021470812 is an abundant number, since it is smaller than the sum of its proper divisors (3089829564).

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

2021470812 is a wasteful number, since it uses less digits than its factorization.

2021470812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16178 (or 16173 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2021470812 is about 44960.7696998172. The cubic root of 2021470812 is about 1264.4135995943.

The spelling of 2021470812 in words is "two billion, twenty-one million, four hundred seventy thousand, eight hundred twelve".