2021205433012 has 24 divisors (see below), whose sum is σ = 3747476867904. Its totient is φ = 950570838912.

The previous prime is 2021205433007. The next prime is 2021205433043. The reversal of 2021205433012 is 2103345021202.

It is a congruent number.

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, 9023848 + ... + 9245119.

It is an arithmetic number, because the mean of its divisors is an integer number (156144869496).

Almost surely, 2^{2021205433012} is an apocalyptic number.

It is an amenable number.

2021205433012 is a deficient number, since it is larger than the sum of its proper divisors (1726271434892).

2021205433012 is a wasteful number, since it uses less digits than its factorization.

2021205433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18270615 (or 18270613 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 2021205433012 in words is "two trillion, twenty-one billion, two hundred five million, four hundred thirty-three thousand, twelve".