225511141212 has 144 divisors (see below), whose sum is σ = 666212601600. Its totient is φ = 64292141088.

The previous prime is 225511141187. The next prime is 225511141223. The reversal of 225511141212 is 212141115522.

225511141212 is a `hidden beast` number, since 2 + 2 + 5 + 511 + 141 + 2 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5746963 + ... + 5786069.

It is an arithmetic number, because the mean of its divisors is an integer number (4626476400).

Almost surely, 2^225511141212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225511141212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333106300800).

225511141212 is an abundant number, since it is smaller than the sum of its proper divisors (440701460388).

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

225511141212 is a wasteful number, since it uses less digits than its factorization.

225511141212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39605 (or 39586 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

Adding to 225511141212 its reverse (212141115522), we get a palindrome (437652256734).

The spelling of 225511141212 in words is "two hundred twenty-five billion, five hundred eleven million, one hundred forty-one thousand, two hundred twelve".