12198162253 has 4 divisors (see below), whose sum is σ = 12398132188. Its totient is φ = 11998192320.

The previous prime is 12198162239. The next prime is 12198162259. The reversal of 12198162253 is 35226189121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2933522244 + 9264640009 = 54162^2 + 96253^2 .

It is a cyclic number.

It is not a de Polignac number, because 12198162253 - 2¹³ = 12198154061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198162259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99984876 + ... + 99984997.

It is an arithmetic number, because the mean of its divisors is an integer number (3099533047).

Almost surely, 2^12198162253 is an apocalyptic number.

It is an amenable number.

12198162253 is a deficient number, since it is larger than the sum of its proper divisors (199969935).

12198162253 is an equidigital number, since it uses as much as digits as its factorization.

12198162253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199969934.

The product of its digits is 51840, while the sum is 40.

The spelling of 12198162253 in words is "twelve billion, one hundred ninety-eight million, one hundred sixty-two thousand, two hundred fifty-three".