2021202012 has 48 divisors (see below), whose sum is σ = 4996791072. Its totient is φ = 633692160.

The previous prime is 2021201989. The next prime is 2021202017. The reversal of 2021202012 is 2102021202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021202017) 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, 527062 + ... + 530882.

It is an arithmetic number, because the mean of its divisors is an integer number (104099814).

Almost surely, 2^2021202012 is an apocalyptic number.

It is an amenable number.

2021202012 is an abundant number, since it is smaller than the sum of its proper divisors (2975589060).

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

2021202012 is a wasteful number, since it uses less digits than its factorization.

2021202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438 (or 6436 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2021202012 is about 44957.7803277697. The cubic root of 2021202012 is about 1264.3575530366.

Adding to 2021202012 its reverse (2102021202), we get a palindrome (4123223214).

The spelling of 2021202012 in words is "two billion, twenty-one million, two hundred two thousand, twelve".