12123133130 has 16 divisors (see below), whose sum is σ = 21841091424. Its totient is φ = 4844930640.

The previous prime is 12123133123. The next prime is 12123133153. The reversal of 12123133130 is 3133132121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528536 + ... + 550995.

It is an arithmetic number, because the mean of its divisors is an integer number (1365068214).

Almost surely, 2^12123133130 is an apocalyptic number.

12123133130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123133130 is a deficient number, since it is larger than the sum of its proper divisors (9717958294).

12123133130 is a wasteful number, since it uses less digits than its factorization.

12123133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080661.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12123133130 its reverse (3133132121), we get a palindrome (15256265251).

The spelling of 12123133130 in words is "twelve billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty".