12013401212 has 12 divisors (see below), whose sum is σ = 21039376176. Its totient is φ = 6002150880.

The previous prime is 12013401181. The next prime is 12013401217. The reversal of 12013401212 is 21210431021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013401217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131488 + ... + 1142055.

It is an arithmetic number, because the mean of its divisors is an integer number (1753281348).

Almost surely, 2^12013401212 is an apocalyptic number.

It is an amenable number.

12013401212 is a deficient number, since it is larger than the sum of its proper divisors (9025974964).

12013401212 is a wasteful number, since it uses less digits than its factorization.

12013401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274868 (or 2274866 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12013401212 its reverse (21210431021), we get a palindrome (33223832233).

The spelling of 12013401212 in words is "twelve billion, thirteen million, four hundred one thousand, two hundred twelve".