102220100012 has 24 divisors (see below), whose sum is σ = 181935043920. Its totient is φ = 50238829760.

The previous prime is 102220099991. The next prime is 102220100051. The reversal of 102220100012 is 210001022201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102220099966 and 102220100002.

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, 3918998 + ... + 3944994.

It is an arithmetic number, because the mean of its divisors is an integer number (7580626830).

Almost surely, 2^102220100012 is an apocalyptic number.

It is an amenable number.

102220100012 is a deficient number, since it is larger than the sum of its proper divisors (79714943908).

102220100012 is a wasteful number, since it uses less digits than its factorization.

102220100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42721 (or 42719 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102220100012 its reverse (210001022201), we get a palindrome (312221122213).

The spelling of 102220100012 in words is "one hundred two billion, two hundred twenty million, one hundred thousand, twelve".