12000011012 has 24 divisors (see below), whose sum is σ = 23284676352. Its totient is φ = 5365130400.

The previous prime is 12000010991. The next prime is 12000011027. The reversal of 12000011012 is 21011000021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232788 + ... + 2238155.

It is an arithmetic number, because the mean of its divisors is an integer number (970194848).

Almost surely, 2^12000011012 is an apocalyptic number.

It is an amenable number.

12000011012 is a deficient number, since it is larger than the sum of its proper divisors (11284665340).

12000011012 is a wasteful number, since it uses less digits than its factorization.

12000011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471019 (or 4471017 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12000011012 its reverse (21011000021), we get a palindrome (33011011033).

The spelling of 12000011012 in words is "twelve billion, eleven thousand, twelve".