2021303212 has 6 divisors (see below), whose sum is σ = 3537280628. Its totient is φ = 1010651604.

The previous prime is 2021303183. The next prime is 2021303287. The reversal of 2021303212 is 2123031202.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 252662898 + ... + 252662905.

Almost surely, 2^2021303212 is an apocalyptic number.

It is an amenable number.

2021303212 is a deficient number, since it is larger than the sum of its proper divisors (1515977416).

2021303212 is a wasteful number, since it uses less digits than its factorization.

2021303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505325807 (or 505325805 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021303212 is about 44958.9058140876. The cubic root of 2021303212 is about 1264.3786544816.

Adding to 2021303212 its reverse (2123031202), we get a palindrome (4144334414).

The spelling of 2021303212 in words is "two billion, twenty-one million, three hundred three thousand, two hundred twelve".