9621668012 has 12 divisors (see below), whose sum is σ = 18368639016. Its totient is φ = 4373485440.

The previous prime is 9621668011. The next prime is 9621668033. The reversal of 9621668012 is 2108661269.

It is a happy number.

9621668012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9621668011) by changing a digit.

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, 109337093 + ... + 109337180.

It is an arithmetic number, because the mean of its divisors is an integer number (1530719918).

Almost surely, 2^9621668012 is an apocalyptic number.

It is an amenable number.

9621668012 is a deficient number, since it is larger than the sum of its proper divisors (8746971004).

9621668012 is a wasteful number, since it uses less digits than its factorization.

9621668012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218674288 (or 218674286 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 9621668012 is about 98090.1014985712. The cubic root of 9621668012 is about 2126.9149436895.

The spelling of 9621668012 in words is "nine billion, six hundred twenty-one million, six hundred sixty-eight thousand, twelve".