225016368212 has 48 divisors (see below), whose sum is σ = 416954193600. Its totient is φ = 105958056960.

The previous prime is 225016368197. The next prime is 225016368217. The reversal of 225016368212 is 212863610522.

It is a happy number.

It is a super-3 number, since 3×225016368212³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225016368217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11703287 + ... + 11722497.

It is an arithmetic number, because the mean of its divisors is an integer number (8686545700).

Almost surely, 2^225016368212 is an apocalyptic number.

It is an amenable number.

225016368212 is a deficient number, since it is larger than the sum of its proper divisors (191937825388).

225016368212 is a wasteful number, since it uses less digits than its factorization.

225016368212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20136 (or 20134 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 225016368212 its reverse (212863610522), we get a palindrome (437879978734).

The spelling of 225016368212 in words is "two hundred twenty-five billion, sixteen million, three hundred sixty-eight thousand, two hundred twelve".