12001112012 has 6 divisors (see below), whose sum is σ = 21001946028. Its totient is φ = 6000556004.

The previous prime is 12001111981. The next prime is 12001112051. The reversal of 12001112012 is 21021110021.

It is a junction number, because it is equal to n+sod(n) for n = 12001111984 and 12001112002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500138998 + ... + 1500139005.

It is an arithmetic number, because the mean of its divisors is an integer number (3500324338).

Almost surely, 2^12001112012 is an apocalyptic number.

It is an amenable number.

12001112012 is a deficient number, since it is larger than the sum of its proper divisors (9000834016).

12001112012 is a wasteful number, since it uses less digits than its factorization.

12001112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000278007 (or 3000278005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001112012 its reverse (21021110021), we get a palindrome (33022222033).

The spelling of 12001112012 in words is "twelve billion, one million, one hundred twelve thousand, twelve".