1222001200012 has 6 divisors (see below), whose sum is σ = 2138502100028. Its totient is φ = 611000600004.

The previous prime is 1222001199971. The next prime is 1222001200087. The reversal of 1222001200012 is 2100021002221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222001199965 and 1222001200001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152750149998 + ... + 152750150005.

Almost surely, 2^{1222001200012} is an apocalyptic number.

It is an amenable number.

1222001200012 is a deficient number, since it is larger than the sum of its proper divisors (916500900016).

1222001200012 is a wasteful number, since it uses less digits than its factorization.

1222001200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305500300007 (or 305500300005 counting only the distinct ones).

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

Adding to 1222001200012 its reverse (2100021002221), we get a palindrome (3322022202233).

The spelling of 1222001200012 in words is "one trillion, two hundred twenty-two billion, one million, two hundred thousand, twelve".