12121412120 has 16 divisors (see below), whose sum is σ = 27273177360. Its totient is φ = 4848564832.

The previous prime is 12121412111. The next prime is 12121412129. The reversal of 12121412120 is 2121412121.

It is an interprime number because it is at equal distance from previous prime (12121412111) and next prime (12121412129).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121412129) 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, 151517612 + ... + 151517691.

It is an arithmetic number, because the mean of its divisors is an integer number (1704573585).

Almost surely, 2^12121412120 is an apocalyptic number.

12121412120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121412120 is an abundant number, since it is smaller than the sum of its proper divisors (15151765240).

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

12121412120 is a wasteful number, since it uses less digits than its factorization.

12121412120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303035314 (or 303035310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121412120 its reverse (2121412121), we get a palindrome (14242824241).

Subtracting from 12121412120 its reverse (2121412121), we obtain a palindrome (9999999999).

The spelling of 12121412120 in words is "twelve billion, one hundred twenty-one million, four hundred twelve thousand, one hundred twenty".