12200035123 has 4 divisors (see below), whose sum is σ = 12529765840. Its totient is φ = 11870304408.

The previous prime is 12200035097. The next prime is 12200035187. The reversal of 12200035123 is 32153000221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12200035123 - 2¹⁷ = 12199904051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12200035123.

It is not an unprimeable number, because it can be changed into a prime (12200035823) 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 3 ways as a sum of consecutive naturals, for example, 164865303 + ... + 164865376.

It is an arithmetic number, because the mean of its divisors is an integer number (3132441460).

Almost surely, 2^12200035123 is an apocalyptic number.

12200035123 is a deficient number, since it is larger than the sum of its proper divisors (329730717).

12200035123 is an equidigital number, since it uses as much as digits as its factorization.

12200035123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329730716.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12200035123 its reverse (32153000221), we get a palindrome (44353035344).

The spelling of 12200035123 in words is "twelve billion, two hundred million, thirty-five thousand, one hundred twenty-three".