203223103212 has 12 divisors (see below), whose sum is σ = 474187240856. Its totient is φ = 67741034400.

The previous prime is 203223103087. The next prime is 203223103241. The reversal of 203223103212 is 212301322302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 8467629289 + ... + 8467629312.

Almost surely, 2^203223103212 is an apocalyptic number.

It is an amenable number.

203223103212 is an abundant number, since it is smaller than the sum of its proper divisors (270964137644).

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

203223103212 is a wasteful number, since it uses less digits than its factorization.

203223103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935258608 (or 16935258606 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203223103212 its reverse (212301322302), we get a palindrome (415524425514).

The spelling of 203223103212 in words is "two hundred three billion, two hundred twenty-three million, one hundred three thousand, two hundred twelve".