1121000020012 has 12 divisors (see below), whose sum is σ = 1974245259280. Its totient is φ = 556929945936.

The previous prime is 1121000019973. The next prime is 1121000020013. The reversal of 1121000020012 is 2100200001211.

It is not an unprimeable number, because it can be changed into a prime (1121000020013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892515312 + ... + 892516567.

Almost surely, 2^{1121000020012} is an apocalyptic number.

It is an amenable number.

1121000020012 is a deficient number, since it is larger than the sum of its proper divisors (853245239268).

1121000020012 is a wasteful number, since it uses less digits than its factorization.

1121000020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785032040 (or 1785032038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1121000020012 its reverse (2100200001211), we get a palindrome (3221200021223).

The spelling of 1121000020012 in words is "one trillion, one hundred twenty-one billion, twenty thousand, twelve".