2021211012 has 24 divisors (see below), whose sum is σ = 4716892096. Its totient is φ = 673632288.

The previous prime is 2021211011. The next prime is 2021211047. The reversal of 2021211012 is 2101121202.

2021211012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2021211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129198 + ... + 143994.

Almost surely, 2^2021211012 is an apocalyptic number.

It is an amenable number.

2021211012 is an abundant number, since it is smaller than the sum of its proper divisors (2695681084).

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

2021211012 is a wasteful number, since it uses less digits than its factorization.

2021211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26187 (or 26185 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2021211012 is about 44957.8804215679. The cubic root of 2021211012 is about 1264.3594296759.

Adding to 2021211012 its reverse (2101121202), we get a palindrome (4122332214).

The spelling of 2021211012 in words is "two billion, twenty-one million, two hundred eleven thousand, twelve".