203112003430212 has 24 divisors (see below), whose sum is σ = 489216008262912. Its totient is φ = 65520001106400.

The previous prime is 203112003430187. The next prime is 203112003430223. The reversal of 203112003430212 is 212034300211302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273000004239 + ... + 273000004982.

It is an arithmetic number, because the mean of its divisors is an integer number (20384000344288).

Almost surely, 2^{203112003430212} is an apocalyptic number.

It is an amenable number.

203112003430212 is an abundant number, since it is smaller than the sum of its proper divisors (286104004832700).

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

203112003430212 is a wasteful number, since it uses less digits than its factorization.

203112003430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546000009259 (or 546000009257 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203112003430212 its reverse (212034300211302), we get a palindrome (415146303641514).

The spelling of 203112003430212 in words is "two hundred three trillion, one hundred twelve billion, three million, four hundred thirty thousand, two hundred twelve".