2021300012 has 6 divisors (see below), whose sum is σ = 3537275028. Its totient is φ = 1010650004.

The previous prime is 2021300003. The next prime is 2021300063. The reversal of 2021300012 is 2100031202.

It is a happy number.

It is a super-2 number, since 2×2021300012² = 8171307477022400288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021299966 and 2021300002.

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, 252662498 + ... + 252662505.

It is an arithmetic number, because the mean of its divisors is an integer number (589545838).

Almost surely, 2^2021300012 is an apocalyptic number.

It is an amenable number.

2021300012 is a deficient number, since it is larger than the sum of its proper divisors (1515975016).

2021300012 is a wasteful number, since it uses less digits than its factorization.

2021300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505325007 (or 505325005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2021300012 is about 44958.8702260188. The cubic root of 2021300012 is about 1264.3779872530.

Adding to 2021300012 its reverse (2100031202), we get a palindrome (4121331214).

The spelling of 2021300012 in words is "two billion, twenty-one million, three hundred thousand, twelve".