12113303412 has 24 divisors (see below), whose sum is σ = 32302142656. Its totient is φ = 3460943808.

The previous prime is 12113303407. The next prime is 12113303479. The reversal of 12113303412 is 21430331121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72102913 + ... + 72103080.

Almost surely, 2^12113303412 is an apocalyptic number.

12113303412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12113303412 is an abundant number, since it is smaller than the sum of its proper divisors (20188839244).

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

12113303412 is a wasteful number, since it uses less digits than its factorization.

12113303412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144206007 (or 144206005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12113303412 its reverse (21430331121), we get a palindrome (33543634533).

The spelling of 12113303412 in words is "twelve billion, one hundred thirteen million, three hundred three thousand, four hundred twelve".