1021330012 has 24 divisors (see below), whose sum is σ = 1916429760. Its totient is φ = 474539520.

The previous prime is 1021330001. The next prime is 1021330039. The reversal of 1021330012 is 2100331201.

It is a super-2 number, since 2×1021330012² = 2086229986823840288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021329974 and 1021330001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89689 + ... + 100432.

It is an arithmetic number, because the mean of its divisors is an integer number (79851240).

Almost surely, 2^1021330012 is an apocalyptic number.

It is an amenable number.

1021330012 is a deficient number, since it is larger than the sum of its proper divisors (895099748).

1021330012 is a wasteful number, since it uses less digits than its factorization.

1021330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190221 (or 190219 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1021330012 is about 31958.2542076378. The cubic root of 1021330012 is about 1007.0600424992.

Adding to 1021330012 its reverse (2100331201), we get a palindrome (3121661213).

The spelling of 1021330012 in words is "one billion, twenty-one million, three hundred thirty thousand, twelve".