12163042452 has 72 divisors (see below), whose sum is σ = 31956031296. Its totient is φ = 3595856000.

The previous prime is 12163042379. The next prime is 12163042469. The reversal of 12163042452 is 25424036121.

12163042452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42624 + ... + 161687.

It is an arithmetic number, because the mean of its divisors is an integer number (443833768).

Almost surely, 2^12163042452 is an apocalyptic number.

12163042452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12163042452 is an abundant number, since it is smaller than the sum of its proper divisors (19792988844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12163042452 is a wasteful number, since it uses less digits than its factorization.

12163042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204381 (or 204368 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12163042452 its reverse (25424036121), we get a palindrome (37587078573).

The spelling of 12163042452 in words is "twelve billion, one hundred sixty-three million, forty-two thousand, four hundred fifty-two".