1000222012012 has 12 divisors (see below), whose sum is σ = 1775041880976. Its totient is φ = 493067188880.

The previous prime is 1000222011977. The next prime is 1000222012019. The reversal of 1000222012012 is 2102102220001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000222011983 and 1000222012001.

It is not an unprimeable number, because it can be changed into a prime (1000222012019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1760953963 + ... + 1760954530.

It is an arithmetic number, because the mean of its divisors is an integer number (147920156748).

Almost surely, 2^{1000222012012} is an apocalyptic number.

It is an amenable number.

1000222012012 is a deficient number, since it is larger than the sum of its proper divisors (774819868964).

1000222012012 is a wasteful number, since it uses less digits than its factorization.

1000222012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521908568 (or 3521908566 counting only the distinct ones).

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

Adding to 1000222012012 its reverse (2102102220001), we get a palindrome (3102324232013).

The spelling of 1000222012012 in words is "one trillion, two hundred twenty-two million, twelve thousand, twelve".