203130222112 has 24 divisors (see below), whose sum is σ = 400242390156. Its totient is φ = 101481361152.

The previous prime is 203130222107. The next prime is 203130222121. The reversal of 203130222112 is 211222031302.

It can be written as a sum of positive squares in 2 ways, for example, as 124104016656 + 79026205456 = 352284^2 + 281116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203130222112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577763 + ... + 2655394.

Almost surely, 2^203130222112 is an apocalyptic number.

It is an amenable number.

203130222112 is a deficient number, since it is larger than the sum of its proper divisors (197112168044).

203130222112 is a wasteful number, since it uses less digits than its factorization.

203130222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234380 (or 5234372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203130222112 its reverse (211222031302), we get a palindrome (414352253414).

The spelling of 203130222112 in words is "two hundred three billion, one hundred thirty million, two hundred twenty-two thousand, one hundred twelve".