2021230012 has 6 divisors (see below), whose sum is σ = 3537152528. Its totient is φ = 1010615004.

The previous prime is 2021229967. The next prime is 2021230033. The reversal of 2021230012 is 2100321202.

It is a super-2 number, since 2×2021230012² = 8170741522819040288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021229974 and 2021230001.

It is a congruent number.

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, 252653748 + ... + 252653755.

Almost surely, 2^2021230012 is an apocalyptic number.

It is an amenable number.

2021230012 is a deficient number, since it is larger than the sum of its proper divisors (1515922516).

2021230012 is a wasteful number, since it uses less digits than its factorization.

2021230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505307507 (or 505307505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2021230012 is about 44958.0917299656. The cubic root of 2021230012 is about 1264.3633914515.

Adding to 2021230012 its reverse (2100321202), we get a palindrome (4121551214).

The spelling of 2021230012 in words is "two billion, twenty-one million, two hundred thirty thousand, twelve".