2021000012010 has 96 divisors (see below), whose sum is σ = 6006249729792. Its totient is φ = 461866510080.

The previous prime is 2021000011981. The next prime is 2021000012021. The reversal of 2021000012010 is 102100001202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2021000011983 and 2021000012001.

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 47 ways as a sum of consecutive naturals, for example, 3594187 + ... + 4118273.

It is an arithmetic number, because the mean of its divisors is an integer number (62565101352).

Almost surely, 2^{2021000012010} is an apocalyptic number.

2021000012010 is an abundant number, since it is smaller than the sum of its proper divisors (3985249717782).

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

2021000012010 is a wasteful number, since it uses less digits than its factorization.

2021000012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530228 (or 530225 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2021000012010 its reverse (102100001202), we get a palindrome (2123100013212).

The spelling of 2021000012010 in words is "two trillion, twenty-one billion, twelve thousand, ten".