2135231200 has 72 divisors (see below), whose sum is σ = 5263444368. Its totient is φ = 845767680.

The previous prime is 2135231179. The next prime is 2135231207. The reversal of 2135231200 is 21325312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135231207) 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, 69444 + ... + 95356.

It is an arithmetic number, because the mean of its divisors is an integer number (73103394).

Almost surely, 2^2135231200 is an apocalyptic number.

2135231200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2631722184).

2135231200 is an abundant number, since it is smaller than the sum of its proper divisors (3128213168).

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

2135231200 is a wasteful number, since it uses less digits than its factorization.

2135231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26036 (or 26023 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2135231200 is about 46208.5619771921. The cubic root of 2135231200 is about 1287.7008101022.

Adding to 2135231200 its reverse (21325312), we get a palindrome (2156556512).

The spelling of 2135231200 in words is "two billion, one hundred thirty-five million, two hundred thirty-one thousand, two hundred".