225712735612 has 48 divisors (see below), whose sum is σ = 486245555712. Its totient is φ = 89275492800.

The previous prime is 225712735603. The next prime is 225712735627. The reversal of 225712735612 is 216537217522.

It is a super-3 number, since 3×225712735612³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889823 + ... + 2005705.

It is an arithmetic number, because the mean of its divisors is an integer number (10130115744).

Almost surely, 2^225712735612 is an apocalyptic number.

It is an amenable number.

225712735612 is an abundant number, since it is smaller than the sum of its proper divisors (260532820100).

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

225712735612 is a wasteful number, since it uses less digits than its factorization.

225712735612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121258 (or 121256 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The spelling of 225712735612 in words is "two hundred twenty-five billion, seven hundred twelve million, seven hundred thirty-five thousand, six hundred twelve".