102221200012 has 12 divisors (see below), whose sum is σ = 179260562880. Its totient is φ = 51003896336.

The previous prime is 102221199967. The next prime is 102221200019. The reversal of 102221200012 is 210002122201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102221199965 and 102221200001.

It is not an unprimeable number, because it can be changed into a prime (102221200019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26673763 + ... + 26677594.

It is an arithmetic number, because the mean of its divisors is an integer number (14938380240).

Almost surely, 2^102221200012 is an apocalyptic number.

It is an amenable number.

102221200012 is a deficient number, since it is larger than the sum of its proper divisors (77039362868).

102221200012 is a wasteful number, since it uses less digits than its factorization.

102221200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53351840 (or 53351838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102221200012 its reverse (210002122201), we get a palindrome (312223322213).

The spelling of 102221200012 in words is "one hundred two billion, two hundred twenty-one million, two hundred thousand, twelve".