12124121412 has 48 divisors (see below), whose sum is σ = 30920480192. Its totient is φ = 3674816640.

The previous prime is 12124121341. The next prime is 12124121413. The reversal of 12124121412 is 21412142121.

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 (12124121413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569539 + ... + 590442.

Almost surely, 2^12124121412 is an apocalyptic number.

12124121412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12124121412 is an abundant number, since it is smaller than the sum of its proper divisors (18796358780).

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

12124121412 is a wasteful number, since it uses less digits than its factorization.

12124121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160068 (or 1160066 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

Adding to 12124121412 its reverse (21412142121), we get a palindrome (33536263533).

The spelling of 12124121412 in words is "twelve billion, one hundred twenty-four million, one hundred twenty-one thousand, four hundred twelve".