12144025100 has 18 divisors (see below), whose sum is σ = 26352534684. Its totient is φ = 4857610000.

The previous prime is 12144025081. The next prime is 12144025109. The reversal of 12144025100 is 152044121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12144025109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60720026 + ... + 60720225.

Almost surely, 2^12144025100 is an apocalyptic number.

12144025100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12144025100 is an abundant number, since it is smaller than the sum of its proper divisors (14208509584).

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

12144025100 is a wasteful number, since it uses less digits than its factorization.

12144025100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121440265 (or 121440258 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12144025100 its reverse (152044121), we get a palindrome (12296069221).

The spelling of 12144025100 in words is "twelve billion, one hundred forty-four million, twenty-five thousand, one hundred".