102221020000012 has 24 divisors (see below), whose sum is σ = 179998459136496. Its totient is φ = 50793476465088.

The previous prime is 102221019999949. The next prime is 102221020000049. The reversal of 102221020000012 is 210000020122201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102221019999947 and 102221020000001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72759523 + ... + 74151130.

It is an arithmetic number, because the mean of its divisors is an integer number (7499935797354).

Almost surely, 2^{102221020000012} is an apocalyptic number.

It is an amenable number.

102221020000012 is a deficient number, since it is larger than the sum of its proper divisors (77777439136484).

102221020000012 is a wasteful number, since it uses less digits than its factorization.

102221020000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146911737 (or 146911735 counting only the distinct ones).

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

Adding to 102221020000012 its reverse (210000020122201), we get a palindrome (312221040122213).

The spelling of 102221020000012 in words is "one hundred two trillion, two hundred twenty-one billion, twenty million, twelve", and thus it is an aban number.