203021400430212 has 96 divisors (see below), whose sum is σ = 613721912294400. Its totient is φ = 50725994781312.

The previous prime is 203021400430171. The next prime is 203021400430229. The reversal of 203021400430212 is 212034004120302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4892532762 + ... + 4892574257.

It is an arithmetic number, because the mean of its divisors is an integer number (6392936586400).

Almost surely, 2^{203021400430212} is an apocalyptic number.

It is an amenable number.

203021400430212 is an abundant number, since it is smaller than the sum of its proper divisors (410700511864188).

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

203021400430212 is a wasteful number, since it uses less digits than its factorization.

203021400430212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785107065 (or 9785107063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203021400430212 its reverse (212034004120302), we get a palindrome (415055404550514).

The spelling of 203021400430212 in words is "two hundred three trillion, twenty-one billion, four hundred million, four hundred thirty thousand, two hundred twelve".