12120002012 has 6 divisors (see below), whose sum is σ = 21210003528. Its totient is φ = 6060001004.

The previous prime is 12120002009. The next prime is 12120002021. The reversal of 12120002012 is 21020002121.

It is a happy number.

12120002012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12120001984 and 12120002002.

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 as a sum of consecutive naturals, namely, 1515000248 + ... + 1515000255.

It is an arithmetic number, because the mean of its divisors is an integer number (3535000588).

Almost surely, 2^12120002012 is an apocalyptic number.

It is an amenable number.

12120002012 is a deficient number, since it is larger than the sum of its proper divisors (9090001516).

12120002012 is a wasteful number, since it uses less digits than its factorization.

12120002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030000507 (or 3030000505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12120002012 its reverse (21020002121), we get a palindrome (33140004133).

The spelling of 12120002012 in words is "twelve billion, one hundred twenty million, two thousand, twelve".