102202221020012 has 24 divisors (see below), whose sum is σ = 179036371029600. Its totient is φ = 51048978680960.

The previous prime is 102202221019981. The next prime is 102202221020033. The reversal of 102202221020012 is 210020122202201.

It is a happy number.

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, 62455337 + ... + 64070847.

It is an arithmetic number, because the mean of its divisors is an integer number (7459848792900).

Almost surely, 2^{102202221020012} is an apocalyptic number.

It is an amenable number.

102202221020012 is a deficient number, since it is larger than the sum of its proper divisors (76834150009588).

102202221020012 is a wasteful number, since it uses less digits than its factorization.

102202221020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631641 (or 1631639 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102202221020012 its reverse (210020122202201), we get a palindrome (312222343222213).

The spelling of 102202221020012 in words is "one hundred two trillion, two hundred two billion, two hundred twenty-one million, twenty thousand, twelve".