245121233200 has 60 divisors (see below), whose sum is σ = 589606481520. Its totient is φ = 97931495680.

The previous prime is 245121233197. The next prime is 245121233219. The reversal of 245121233200 is 2332121542.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29599 + ... + 700798.

It is an arithmetic number, because the mean of its divisors is an integer number (9826774692).

Almost surely, 2^245121233200 is an apocalyptic number.

245121233200 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 245121233200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294803240760).

245121233200 is an abundant number, since it is smaller than the sum of its proper divisors (344485248320).

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

245121233200 is a wasteful number, since it uses less digits than its factorization.

245121233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731254 (or 731243 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 245121233200 its reverse (2332121542), we get a palindrome (247453354742).

The spelling of 245121233200 in words is "two hundred forty-five billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred".