5121242500 has 60 divisors (see below), whose sum is σ = 12217301712. Its totient is φ = 1862260000.

The previous prime is 5121242459. The next prime is 5121242531. The reversal of 5121242500 is 52421215.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65614 + ... + 120613.

Almost surely, 2^5121242500 is an apocalyptic number.

5121242500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5121242500 is an abundant number, since it is smaller than the sum of its proper divisors (7096059212).

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

5121242500 is a wasteful number, since it uses less digits than its factorization.

5121242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186262 (or 186245 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5121242500 is about 71562.8569860092. The cubic root of 5121242500 is about 1723.6871618481.

Adding to 5121242500 its reverse (52421215), we get a palindrome (5173663715).

The spelling of 5121242500 in words is "five billion, one hundred twenty-one million, two hundred forty-two thousand, five hundred".