12113143412 has 6 divisors (see below), whose sum is σ = 21198000978. Its totient is φ = 6056571704.

The previous prime is 12113143379. The next prime is 12113143423. The reversal of 12113143412 is 21434131121.

It can be written as a sum of positive squares in only one way, i.e., 11068302436 + 1044840976 = 105206^2 + 32324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514142923 + ... + 1514142930.

It is an arithmetic number, because the mean of its divisors is an integer number (3533000163).

Almost surely, 2^12113143412 is an apocalyptic number.

It is an amenable number.

12113143412 is a deficient number, since it is larger than the sum of its proper divisors (9084857566).

12113143412 is a wasteful number, since it uses less digits than its factorization.

12113143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028285857 (or 3028285855 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 12113143412 its reverse (21434131121), we get a palindrome (33547274533).

The spelling of 12113143412 in words is "twelve billion, one hundred thirteen million, one hundred forty-three thousand, four hundred twelve".