12012315206 has 8 divisors (see below), whose sum is σ = 18021024504. Its totient is φ = 6005307040.

The previous prime is 12012315191. The next prime is 12012315239. The reversal of 12012315206 is 60251321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 407480 + ... + 435963.

It is an arithmetic number, because the mean of its divisors is an integer number (2252628063).

Almost surely, 2^12012315206 is an apocalyptic number.

12012315206 is a deficient number, since it is larger than the sum of its proper divisors (6008709298).

12012315206 is an equidigital number, since it uses as much as digits as its factorization.

12012315206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850566.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12012315206 its reverse (60251321021), we get a palindrome (72263636227).

The spelling of 12012315206 in words is "twelve billion, twelve million, three hundred fifteen thousand, two hundred six".