12000222012 has 24 divisors (see below), whose sum is σ = 28067356800. Its totient is φ = 3990525616.

The previous prime is 12000221983. The next prime is 12000222037. The reversal of 12000222012 is 21022200021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188312 + ... + 1198367.

It is an arithmetic number, because the mean of its divisors is an integer number (1169473200).

Almost surely, 2^12000222012 is an apocalyptic number.

12000222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000222012 is an abundant number, since it is smaller than the sum of its proper divisors (16067134788).

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

12000222012 is a wasteful number, since it uses less digits than its factorization.

12000222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387105 (or 2387103 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12000222012 its reverse (21022200021), we get a palindrome (33022422033).

The spelling of 12000222012 in words is "twelve billion, two hundred twenty-two thousand, twelve".