102221120012 has 48 divisors (see below), whose sum is σ = 208020825600. Its totient is φ = 43461437760.

The previous prime is 102221120011. The next prime is 102221120033. The reversal of 102221120012 is 210021122201.

It is not an unprimeable number, because it can be changed into a prime (102221120011) 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 15 ways as a sum of consecutive naturals, for example, 707843 + ... + 839930.

It is an arithmetic number, because the mean of its divisors is an integer number (4333767200).

Almost surely, 2^102221120012 is an apocalyptic number.

It is an amenable number.

102221120012 is an abundant number, since it is smaller than the sum of its proper divisors (105799705588).

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

102221120012 is a wasteful number, since it uses less digits than its factorization.

102221120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547886 (or 1547884 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102221120012 its reverse (210021122201), we get a palindrome (312242242213).

The spelling of 102221120012 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty thousand, twelve".