12012203032 has 16 divisors (see below), whose sum is σ = 23131607760. Its totient is φ = 5843774304.

The previous prime is 12012203023. The next prime is 12012203033. The reversal of 12012203032 is 23030221021.

It is a junction number, because it is equal to n+sod(n) for n = 12012202997 and 12012203015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012203033) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 20290588 + ... + 20291179.

It is an arithmetic number, because the mean of its divisors is an integer number (1445725485).

Almost surely, 2^12012203032 is an apocalyptic number.

It is an amenable number.

12012203032 is a deficient number, since it is larger than the sum of its proper divisors (11119404728).

12012203032 is a wasteful number, since it uses less digits than its factorization.

12012203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40581810 (or 40581806 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12012203032 its reverse (23030221021), we get a palindrome (35042424053).

The spelling of 12012203032 in words is "twelve billion, twelve million, two hundred three thousand, thirty-two".