12013344412 has 12 divisors (see below), whose sum is σ = 21044877840. Its totient is φ = 6000522176.

The previous prime is 12013344341. The next prime is 12013344419. The reversal of 12013344412 is 21444331021.

It is a super-2 number, since 2×12013344412² (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 (12013344419) 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, 1533112 + ... + 1540927.

It is an arithmetic number, because the mean of its divisors is an integer number (1753739820).

Almost surely, 2^12013344412 is an apocalyptic number.

It is an amenable number.

12013344412 is a deficient number, since it is larger than the sum of its proper divisors (9031533428).

12013344412 is a wasteful number, since it uses less digits than its factorization.

12013344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075020 (or 3075018 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12013344412 its reverse (21444331021), we get a palindrome (33457675433).

The spelling of 12013344412 in words is "twelve billion, thirteen million, three hundred forty-four thousand, four hundred twelve".