12120212230 has 48 divisors (see below), whose sum is σ = 25757089776. Its totient is φ = 4093467840.

The previous prime is 12120212213. The next prime is 12120212261. The reversal of 12120212230 is 3221202121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151761 + ... + 217420.

It is an arithmetic number, because the mean of its divisors is an integer number (536606037).

Almost surely, 2^12120212230 is an apocalyptic number.

12120212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120212230 is an abundant number, since it is smaller than the sum of its proper divisors (13636877546).

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

12120212230 is a wasteful number, since it uses less digits than its factorization.

12120212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369269 (or 369262 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12120212230 its reverse (3221202121), we get a palindrome (15341414351).

The spelling of 12120212230 in words is "twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred thirty".