1012221011212 has 6 divisors (see below), whose sum is σ = 1771386769628. Its totient is φ = 506110505604.

The previous prime is 1012221011203. The next prime is 1012221011239. The reversal of 1012221011212 is 2121101222101.

1012221011212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126527626398 + ... + 126527626405.

Almost surely, 2^{1012221011212} is an apocalyptic number.

It is an amenable number.

1012221011212 is a deficient number, since it is larger than the sum of its proper divisors (759165758416).

1012221011212 is a wasteful number, since it uses less digits than its factorization.

1012221011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253055252807 (or 253055252805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012221011212 its reverse (2121101222101), we get a palindrome (3133322233313).

The spelling of 1012221011212 in words is "one trillion, twelve billion, two hundred twenty-one million, eleven thousand, two hundred twelve".