9121300200 has 72 divisors (see below), whose sum is σ = 30632372550. Its totient is φ = 2432346240.

The previous prime is 9121300079. The next prime is 9121300249. The reversal of 9121300200 is 20031219.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7447344804 + 1673955396 = 86298^2 + 40914^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2531895 + ... + 2535494.

Almost surely, 2^9121300200 is an apocalyptic number.

9121300200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9121300200 is an abundant number, since it is smaller than the sum of its proper divisors (21511072350).

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

9121300200 is a wasteful number, since it uses less digits than its factorization.

9121300200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067411 (or 5067399 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 9121300200 is about 95505.4982710420. The cubic root of 9121300200 is about 2089.3871359175.

Adding to 9121300200 its reverse (20031219), we get a palindrome (9141331419).

The spelling of 9121300200 in words is "nine billion, one hundred twenty-one million, three hundred thousand, two hundred".