12510450100 has 36 divisors (see below), whose sum is σ = 27779027584. Its totient is φ = 4887802080.

The previous prime is 12510450077. The next prime is 12510450103. The reversal of 12510450100 is 105401521.

It is a super-2 number, since 2×12510450100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510450103) 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, 1450404 + ... + 1459003.

Almost surely, 2^12510450100 is an apocalyptic number.

12510450100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12510450100 is an abundant number, since it is smaller than the sum of its proper divisors (15268577484).

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

12510450100 is a wasteful number, since it uses less digits than its factorization.

12510450100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909464 (or 2909457 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 12510450100 its reverse (105401521), we get a palindrome (12615851621).

The spelling of 12510450100 in words is "twelve billion, five hundred ten million, four hundred fifty thousand, one hundred".