225410121200 has 120 divisors (see below), whose sum is σ = 611151486480. Its totient is φ = 79140812800.

The previous prime is 225410121197. The next prime is 225410121227. The reversal of 225410121200 is 2121014522.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755669 + ... + 1010868.

It is an arithmetic number, because the mean of its divisors is an integer number (5092929054).

Almost surely, 2^225410121200 is an apocalyptic number.

225410121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225410121200 is an abundant number, since it is smaller than the sum of its proper divisors (385741365280).

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

225410121200 is a wasteful number, since it uses less digits than its factorization.

225410121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766595 (or 1766584 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 225410121200 its reverse (2121014522), we get a palindrome (227531135722).

The spelling of 225410121200 in words is "two hundred twenty-five billion, four hundred ten million, one hundred twenty-one thousand, two hundred".