12200035145 has 4 divisors (see below), whose sum is σ = 14640042180. Its totient is φ = 9760028112.

The previous prime is 12200035097. The next prime is 12200035187. The reversal of 12200035145 is 54153000221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54153000221 = 59233 ⋅914237.

It can be written as a sum of positive squares in 2 ways, for example, as 6331862329 + 5868172816 = 79573^2 + 76604^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200035145 - 2²² = 12195840841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12200035145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220003510 + ... + 1220003519.

It is an arithmetic number, because the mean of its divisors is an integer number (3660010545).

Almost surely, 2^12200035145 is an apocalyptic number.

It is an amenable number.

12200035145 is a deficient number, since it is larger than the sum of its proper divisors (2440007035).

12200035145 is an equidigital number, since it uses as much as digits as its factorization.

12200035145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440007034.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 12200035145 its reverse (54153000221), we get a palindrome (66353035366).

The spelling of 12200035145 in words is "twelve billion, two hundred million, thirty-five thousand, one hundred forty-five".