12122342412 has 24 divisors (see below), whose sum is σ = 29049938736. Its totient is φ = 3931570368.

The previous prime is 12122342383. The next prime is 12122342417. The reversal of 12122342412 is 21424322121.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12122342417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13650843 + ... + 13651730.

It is an arithmetic number, because the mean of its divisors is an integer number (1210414114).

Almost surely, 2^12122342412 is an apocalyptic number.

12122342412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122342412 is an abundant number, since it is smaller than the sum of its proper divisors (16927596324).

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

12122342412 is a wasteful number, since it uses less digits than its factorization.

12122342412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302617 (or 27302615 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 12122342412 its reverse (21424322121), we get a palindrome (33546664533).

The spelling of 12122342412 in words is "twelve billion, one hundred twenty-two million, three hundred forty-two thousand, four hundred twelve".