12102002012 has 6 divisors (see below), whose sum is σ = 21178503528. Its totient is φ = 6051001004.

The previous prime is 12102002009. The next prime is 12102002047. The reversal of 12102002012 is 21020020121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102001984 and 12102002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512750248 + ... + 1512750255.

It is an arithmetic number, because the mean of its divisors is an integer number (3529750588).

Almost surely, 2^12102002012 is an apocalyptic number.

It is an amenable number.

12102002012 is a deficient number, since it is larger than the sum of its proper divisors (9076501516).

12102002012 is a wasteful number, since it uses less digits than its factorization.

12102002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025500507 (or 3025500505 counting only the distinct ones).

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

Adding to 12102002012 its reverse (21020020121), we get a palindrome (33122022133).

The spelling of 12102002012 in words is "twelve billion, one hundred two million, two thousand, twelve".