12103162520 has 16 divisors (see below), whose sum is σ = 27232115760. Its totient is φ = 4841264992.

The previous prime is 12103162493. The next prime is 12103162523. The reversal of 12103162520 is 2526130121.

12103162520 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 not an unprimeable number, because it can be changed into a prime (12103162523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 151289492 + ... + 151289571.

It is an arithmetic number, because the mean of its divisors is an integer number (1702007235).

Almost surely, 2^12103162520 is an apocalyptic number.

12103162520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103162520 is an abundant number, since it is smaller than the sum of its proper divisors (15128953240).

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

12103162520 is a wasteful number, since it uses less digits than its factorization.

12103162520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302579074 (or 302579070 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12103162520 its reverse (2526130121), we get a palindrome (14629292641).

The spelling of 12103162520 in words is "twelve billion, one hundred three million, one hundred sixty-two thousand, five hundred twenty".