12122123230 has 48 divisors (see below), whose sum is σ = 25739811936. Its totient is φ = 4097607360.

The previous prime is 12122123227. The next prime is 12122123239. The reversal of 12122123230 is 3232122121.

It is a junction number, because it is equal to n+sod(n) for n = 12122123198 and 12122123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122123239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139429 + ... + 209008.

It is an arithmetic number, because the mean of its divisors is an integer number (536246082).

Almost surely, 2^12122123230 is an apocalyptic number.

12122123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122123230 is an abundant number, since it is smaller than the sum of its proper divisors (13617688706).

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

12122123230 is a wasteful number, since it uses less digits than its factorization.

12122123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348529 (or 348522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12122123230 its reverse (3232122121), we get a palindrome (15354245351).

The spelling of 12122123230 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred thirty".