12001210506 has 32 divisors (see below), whose sum is σ = 26683110720. Its totient is φ = 3998340432.

The previous prime is 12001210499. The next prime is 12001210531. The reversal of 12001210506 is 60501210021.

12001210506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 50221 + ... + 162863.

It is an arithmetic number, because the mean of its divisors is an integer number (833847210).

Almost surely, 2^12001210506 is an apocalyptic number.

12001210506 is an abundant number, since it is smaller than the sum of its proper divisors (14681900214).

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

12001210506 is a wasteful number, since it uses less digits than its factorization.

12001210506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114627 (or 114621 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12001210506 its reverse (60501210021), we get a palindrome (72502420527).

The spelling of 12001210506 in words is "twelve billion, one million, two hundred ten thousand, five hundred six".