1000222100012 has 12 divisors (see below), whose sum is σ = 1750562412480. Its totient is φ = 500061410736.

The previous prime is 1000222099997. The next prime is 1000222100029. The reversal of 1000222100012 is 2100012220001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000222099966 and 1000222100002.

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 3 ways as a sum of consecutive naturals, for example, 12364463 + ... + 12445094.

It is an arithmetic number, because the mean of its divisors is an integer number (145880201040).

Almost surely, 2^{1000222100012} is an apocalyptic number.

It is an amenable number.

1000222100012 is a deficient number, since it is larger than the sum of its proper divisors (750340312468).

1000222100012 is a wasteful number, since it uses less digits than its factorization.

1000222100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819640 (or 24819638 counting only the distinct ones).

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

Adding to 1000222100012 its reverse (2100012220001), we get a palindrome (3100234320013).

The spelling of 1000222100012 in words is "one trillion, two hundred twenty-two million, one hundred thousand, twelve".