203211300212 has 6 divisors (see below), whose sum is σ = 355619775378. Its totient is φ = 101605650104.

The previous prime is 203211300157. The next prime is 203211300269. The reversal of 203211300212 is 212003112302.

It can be written as a sum of positive squares in only one way, i.e., 156605398756 + 46605901456 = 395734^2 + 215884^2 .

It is a super-3 number, since 3×203211300212³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25401412523 + ... + 25401412530.

It is an arithmetic number, because the mean of its divisors is an integer number (59269962563).

Almost surely, 2^203211300212 is an apocalyptic number.

It is an amenable number.

203211300212 is a deficient number, since it is larger than the sum of its proper divisors (152408475166).

203211300212 is a wasteful number, since it uses less digits than its factorization.

203211300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50802825057 (or 50802825055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203211300212 its reverse (212003112302), we get a palindrome (415214412514).

The spelling of 203211300212 in words is "two hundred three billion, two hundred eleven million, three hundred thousand, two hundred twelve".