12132203145 has 8 divisors (see below), whose sum is σ = 19411525056. Its totient is φ = 6470508336.

The previous prime is 12132203081. The next prime is 12132203177. The reversal of 12132203145 is 54130223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12132203145 - 2⁶ = 12132203081 is a prime.

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, 404406757 + ... + 404406786.

It is an arithmetic number, because the mean of its divisors is an integer number (2426440632).

Almost surely, 2^12132203145 is an apocalyptic number.

12132203145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12132203145 is a deficient number, since it is larger than the sum of its proper divisors (7279321911).

12132203145 is an equidigital number, since it uses as much as digits as its factorization.

12132203145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808813551.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12132203145 its reverse (54130223121), we get a palindrome (66262426266).

The spelling of 12132203145 in words is "twelve billion, one hundred thirty-two million, two hundred three thousand, one hundred forty-five".