12012233012 has 24 divisors (see below), whose sum is σ = 22788377472. Its totient is φ = 5507388000.

The previous prime is 12012232987. The next prime is 12012233041. The reversal of 12012233012 is 21033221021.

12012233012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757064 + ... + 772767.

It is an arithmetic number, because the mean of its divisors is an integer number (949515728).

Almost surely, 2^12012233012 is an apocalyptic number.

It is an amenable number.

12012233012 is a deficient number, since it is larger than the sum of its proper divisors (10776144460).

12012233012 is a wasteful number, since it uses less digits than its factorization.

12012233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529999 (or 1529997 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12012233012 its reverse (21033221021), we get a palindrome (33045454033).

The spelling of 12012233012 in words is "twelve billion, twelve million, two hundred thirty-three thousand, twelve".