12505414100 has 36 divisors (see below), whose sum is σ = 27798629628. Its totient is φ = 4880160000.

The previous prime is 12505414079. The next prime is 12505414109. The reversal of 12505414100 is 141450521.

It can be written as a sum of positive squares in 6 ways, for example, as 5585170756 + 6920243344 = 74734^2 + 83188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505414109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520951 + ... + 1529150.

Almost surely, 2^12505414100 is an apocalyptic number.

12505414100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12505414100 is an abundant number, since it is smaller than the sum of its proper divisors (15293215528).

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

12505414100 is a wasteful number, since it uses less digits than its factorization.

12505414100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050156 (or 3050149 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12505414100 its reverse (141450521), we get a palindrome (12646864621).

The spelling of 12505414100 in words is "twelve billion, five hundred five million, four hundred fourteen thousand, one hundred".