12132245145 has 16 divisors (see below), whose sum is σ = 19433016000. Its totient is φ = 6463389504.

The previous prime is 12132245131. The next prime is 12132245171. The reversal of 12132245145 is 54154223121.

It is not a de Polignac number, because 12132245145 - 2¹² = 12132241049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432270 + ... + 459479.

It is an arithmetic number, because the mean of its divisors is an integer number (1214563500).

Almost surely, 2^12132245145 is an apocalyptic number.

12132245145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12132245145 is a deficient number, since it is larger than the sum of its proper divisors (7300770855).

12132245145 is an equidigital number, since it uses as much as digits as its factorization.

12132245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892664.

The product of its digits is 9600, while the sum is 30.

Adding to 12132245145 its reverse (54154223121), we get a palindrome (66286468266).

The spelling of 12132245145 in words is "twelve billion, one hundred thirty-two million, two hundred forty-five thousand, one hundred forty-five".