12123233130 has 16 divisors (see below), whose sum is σ = 29095759584. Its totient is φ = 3232862160.

The previous prime is 12123233107. The next prime is 12123233131. The reversal of 12123233130 is 3133232121.

It is a junction number, because it is equal to n+sod(n) for n = 12123233097 and 12123233106.

It is not an unprimeable number, because it can be changed into a prime (12123233131) 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 7 ways as a sum of consecutive naturals, for example, 202053856 + ... + 202053915.

It is an arithmetic number, because the mean of its divisors is an integer number (1818484974).

Almost surely, 2^12123233130 is an apocalyptic number.

12123233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123233130 is an abundant number, since it is smaller than the sum of its proper divisors (16972526454).

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

12123233130 is a wasteful number, since it uses less digits than its factorization.

12123233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404107781.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12123233130 its reverse (3133232121), we get a palindrome (15256465251).

The spelling of 12123233130 in words is "twelve billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred thirty".