1021112200012 has 12 divisors (see below), whose sum is σ = 1812114608976. Its totient is φ = 503365168880.

The previous prime is 1021112200001. The next prime is 1021112200067. The reversal of 1021112200012 is 2100022111201.

It is a junction number, because it is equal to n+sod(n) for n = 1021112199965 and 1021112200001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797732463 + ... + 1797733030.

It is an arithmetic number, because the mean of its divisors is an integer number (151009550748).

Almost surely, 2^{1021112200012} is an apocalyptic number.

It is an amenable number.

1021112200012 is a deficient number, since it is larger than the sum of its proper divisors (791002408964).

1021112200012 is a wasteful number, since it uses less digits than its factorization.

1021112200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595465568 (or 3595465566 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021112200012 its reverse (2100022111201), we get a palindrome (3121134311213).

The spelling of 1021112200012 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred thousand, twelve".