12011001021112 has 16 divisors (see below), whose sum is σ = 22520699937000. Its totient is φ = 6005481037920.

The previous prime is 12011001021079. The next prime is 12011001021137. The reversal of 12011001021112 is 21112010011021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011001021092 and 12011001021101.

It is a congruent 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, 378562 + ... + 4915822.

Almost surely, 2^{12011001021112} is an apocalyptic number.

It is an amenable number.

12011001021112 is a deficient number, since it is larger than the sum of its proper divisors (10509698915888).

12011001021112 is a wasteful number, since it uses less digits than its factorization.

12011001021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868166 (or 4868162 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011001021112 its reverse (21112010011021), we get a palindrome (33123011032133).

The spelling of 12011001021112 in words is "twelve trillion, eleven billion, one million, twenty-one thousand, one hundred twelve".