225730163012 has 12 divisors (see below), whose sum is σ = 404662609596. Its totient is φ = 110112274560.

The previous prime is 225730162997. The next prime is 225730163017. The reversal of 225730163012 is 210361037522.

It can be written as a sum of positive squares in 2 ways, for example, as 102589527616 + 123140635396 = 320296^2 + 350914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225730163012.

It is not an unprimeable number, because it can be changed into a prime (225730163017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688201553 + ... + 688201880.

It is an arithmetic number, because the mean of its divisors is an integer number (33721884133).

Almost surely, 2^225730163012 is an apocalyptic number.

It is an amenable number.

225730163012 is a deficient number, since it is larger than the sum of its proper divisors (178932446584).

225730163012 is a wasteful number, since it uses less digits than its factorization.

225730163012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376403478 (or 1376403476 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 225730163012 in words is "two hundred twenty-five billion, seven hundred thirty million, one hundred sixty-three thousand, twelve".