12523252154 has 16 divisors (see below), whose sum is σ = 21486336576. Its totient is φ = 5362632000.

The previous prime is 12523252153. The next prime is 12523252177. The reversal of 12523252154 is 45125232521.

It is a self number, because there is not a number n which added to its sum of digits gives 12523252154.

It is not an unprimeable number, because it can be changed into a prime (12523252153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355592 + ... + 389219.

It is an arithmetic number, because the mean of its divisors is an integer number (1342896036).

Almost surely, 2^12523252154 is an apocalyptic number.

12523252154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12523252154 is a deficient number, since it is larger than the sum of its proper divisors (8963084422).

12523252154 is a wasteful number, since it uses less digits than its factorization.

12523252154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746021.

The product of its digits is 24000, while the sum is 32.

Adding to 12523252154 its reverse (45125232521), we get a palindrome (57648484675).

The spelling of 12523252154 in words is "twelve billion, five hundred twenty-three million, two hundred fifty-two thousand, one hundred fifty-four".