12252154164163 has 4 divisors (see below), whose sum is σ = 12252189927400. Its totient is φ = 12252118400928.

The previous prime is 12252154164139. The next prime is 12252154164179. The reversal of 12252154164163 is 36146145125221.

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 12252154164163 - 2¹³ = 12252154155971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12252154164463) 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, 17362713 + ... + 18054586.

It is an arithmetic number, because the mean of its divisors is an integer number (3063047481850).

Almost surely, 2^{12252154164163} is an apocalyptic number.

12252154164163 is a deficient number, since it is larger than the sum of its proper divisors (35763237).

12252154164163 is an equidigital number, since it uses as much as digits as its factorization.

12252154164163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35763236.

The product of its digits is 345600, while the sum is 43.

Adding to 12252154164163 its reverse (36146145125221), we get a palindrome (48398299289384).

The spelling of 12252154164163 in words is "twelve trillion, two hundred fifty-two billion, one hundred fifty-four million, one hundred sixty-four thousand, one hundred sixty-three".