2021323412 has 12 divisors (see below), whose sum is σ = 3537741396. Its totient is φ = 1010540160.

The previous prime is 2021323387. The next prime is 2021323427. The reversal of 2021323412 is 2143231202.

It can be written as a sum of positive squares in 2 ways, for example, as 301230736 + 1720092676 = 17356^2 + 41474^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 14348 + ... + 65180.

It is an arithmetic number, because the mean of its divisors is an integer number (294811783).

Almost surely, 2^2021323412 is an apocalyptic number.

It is an amenable number.

2021323412 is a deficient number, since it is larger than the sum of its proper divisors (1516417984).

2021323412 is a wasteful number, since it uses less digits than its factorization.

2021323412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60778 (or 60776 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2021323412 is about 44959.1304631217. The cubic root of 2021323412 is about 1264.3828663457.

Adding to 2021323412 its reverse (2143231202), we get a palindrome (4164554614).

The spelling of 2021323412 in words is "two billion, twenty-one million, three hundred twenty-three thousand, four hundred twelve".