12013320212 has 24 divisors (see below), whose sum is σ = 21186836160. Its totient is φ = 5960030400.

The previous prime is 12013320211. The next prime is 12013320217. The reversal of 12013320212 is 21202331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013320211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536864 + ... + 558792.

It is an arithmetic number, because the mean of its divisors is an integer number (882784840).

Almost surely, 2^12013320212 is an apocalyptic number.

It is an amenable number.

12013320212 is a deficient number, since it is larger than the sum of its proper divisors (9173515948).

12013320212 is a wasteful number, since it uses less digits than its factorization.

12013320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22991 (or 22989 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12013320212 its reverse (21202331021), we get a palindrome (33215651233).

The spelling of 12013320212 in words is "twelve billion, thirteen million, three hundred twenty thousand, two hundred twelve".