222102100012 has 48 divisors (see below), whose sum is σ = 446069256192. Its totient is φ = 95965531200.

The previous prime is 222102099997. The next prime is 222102100049. The reversal of 222102100012 is 210001201222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 222102099965 and 222102100001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919364 + ... + 2031787.

It is an arithmetic number, because the mean of its divisors is an integer number (9293109504).

Almost surely, 2^222102100012 is an apocalyptic number.

It is an amenable number.

222102100012 is an abundant number, since it is smaller than the sum of its proper divisors (223967156180).

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

222102100012 is a wasteful number, since it uses less digits than its factorization.

222102100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951238 (or 3951236 counting only the distinct ones).

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

Adding to 222102100012 its reverse (210001201222), we get a palindrome (432103301234).

The spelling of 222102100012 in words is "two hundred twenty-two billion, one hundred two million, one hundred thousand, twelve".