102202102212 has 72 divisors (see below), whose sum is σ = 279067086144. Its totient is φ = 29025718848.

The previous prime is 102202102199. The next prime is 102202102243. The reversal of 102202102212 is 212201202201.

It is a junction number, because it is equal to n+sod(n) for n = 102202102191 and 102202102200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422203 + ... + 618594.

It is an arithmetic number, because the mean of its divisors is an integer number (3875931752).

Almost surely, 2^102202102212 is an apocalyptic number.

102202102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102202102212 is an abundant number, since it is smaller than the sum of its proper divisors (176864983932).

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

102202102212 is a wasteful number, since it uses less digits than its factorization.

102202102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040985 (or 1040976 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102202102212 its reverse (212201202201), we get a palindrome (314403304413).

The spelling of 102202102212 in words is "one hundred two billion, two hundred two million, one hundred two thousand, two hundred twelve".