1121201023012 has 12 divisors (see below), whose sum is σ = 2242402046080. Its totient is φ = 480514724136.

The previous prime is 1121201022959. The next prime is 1121201023073. The reversal of 1121201023012 is 2103201021211.

1121201023012 is an admirable number.

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, 20021446812 + ... + 20021446867.

Almost surely, 2^{1121201023012} is an apocalyptic number.

It is an amenable number.

1121201023012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121201023012 is a wasteful number, since it uses less digits than its factorization.

1121201023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40042893690 (or 40042893688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1121201023012 its reverse (2103201021211), we get a palindrome (3224402044223).

The spelling of 1121201023012 in words is "one trillion, one hundred twenty-one billion, two hundred one million, twenty-three thousand, twelve".