225354131212 has 48 divisors (see below), whose sum is σ = 475557134080. Its totient is φ = 91279742400.

The previous prime is 225354131201. The next prime is 225354131227. The reversal of 225354131212 is 212131453522.

It is a happy number.

It is a super-3 number, since 3×225354131212³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279114 + ... + 727057.

Almost surely, 2^225354131212 is an apocalyptic number.

It is an amenable number.

225354131212 is an abundant number, since it is smaller than the sum of its proper divisors (250203002868).

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

225354131212 is a wasteful number, since it uses less digits than its factorization.

225354131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006622 (or 1006620 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 225354131212 its reverse (212131453522), we get a palindrome (437485584734).

The spelling of 225354131212 in words is "two hundred twenty-five billion, three hundred fifty-four million, one hundred thirty-one thousand, two hundred twelve".