6721246212 has 24 divisors (see below), whose sum is σ = 15685547136. Its totient is φ = 2240038368.

The previous prime is 6721246201. The next prime is 6721246223. The reversal of 6721246212 is 2126421276.

It is an interprime number because it is at equal distance from previous prime (6721246201) and next prime (6721246223).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32533 + ... + 120419.

It is an arithmetic number, because the mean of its divisors is an integer number (653564464).

Almost surely, 2^6721246212 is an apocalyptic number.

It is an amenable number.

6721246212 is an abundant number, since it is smaller than the sum of its proper divisors (8964300924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6721246212 is a wasteful number, since it uses less digits than its factorization.

6721246212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94267 (or 94265 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 6721246212 is about 81983.2068901918. The cubic root of 6721246212 is about 1887.1942366396.

Adding to 6721246212 its reverse (2126421276), we get a palindrome (8847667488).

The spelling of 6721246212 in words is "six billion, seven hundred twenty-one million, two hundred forty-six thousand, two hundred twelve".