12045211206 has 32 divisors (see below), whose sum is σ = 27546013440. Its totient is φ = 3439726176.

The previous prime is 12045211201. The next prime is 12045211223. The reversal of 12045211206 is 60211254021.

It is a super-2 number, since 2×12045211206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045211201) 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 15 ways as a sum of consecutive naturals, for example, 10660 + ... + 155576.

It is an arithmetic number, because the mean of its divisors is an integer number (860812920).

Almost surely, 2^12045211206 is an apocalyptic number.

12045211206 is an abundant number, since it is smaller than the sum of its proper divisors (15500802234).

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

12045211206 is a wasteful number, since it uses less digits than its factorization.

12045211206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146908.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 12045211206 its reverse (60211254021), we get a palindrome (72256465227).

The spelling of 12045211206 in words is "twelve billion, forty-five million, two hundred eleven thousand, two hundred six".