12000012021112 has 16 divisors (see below), whose sum is σ = 22503848511600. Its totient is φ = 5998985751360.

The previous prime is 12000012021059. The next prime is 12000012021133. The reversal of 12000012021112 is 21112021000021.

It is a junction number, because it is equal to n+sod(n) for n = 12000012021092 and 12000012021101.

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, 127482412 + ... + 127576507.

It is an arithmetic number, because the mean of its divisors is an integer number (1406490531975).

Almost surely, 2^{12000012021112} is an apocalyptic number.

It is an amenable number.

12000012021112 is a deficient number, since it is larger than the sum of its proper divisors (10503836490488).

12000012021112 is a wasteful number, since it uses less digits than its factorization.

12000012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255064806 (or 255064802 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000012021112 its reverse (21112021000021), we get a palindrome (33112033021133).

The spelling of 12000012021112 in words is "twelve trillion, twelve million, twenty-one thousand, one hundred twelve".