4818121200 has 90 divisors (see below), whose sum is σ = 16720231424. Its totient is φ = 1284831360.

The previous prime is 4818121193. The next prime is 4818121201. The reversal of 4818121200 is 21218184.

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4818121201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 665584 + ... + 672783.

Almost surely, 2^4818121200 is an apocalyptic number.

4818121200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4818121200 is an abundant number, since it is smaller than the sum of its proper divisors (11902110224).

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

4818121200 is a wasteful number, since it uses less digits than its factorization.

4818121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338391 (or 1338377 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 4818121200 is about 69412.6876010431. The cubic root of 4818121200 is about 1688.9854442976.

Adding to 4818121200 its reverse (21218184), we get a palindrome (4839339384).

The spelling of 4818121200 in words is "four billion, eight hundred eighteen million, one hundred twenty-one thousand, two hundred".