203210111212 has 24 divisors (see below), whose sum is σ = 356468837760. Its totient is φ = 101362003200.

The previous prime is 203210111197. The next prime is 203210111243. The reversal of 203210111212 is 212111012302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7076788 + ... + 7105444.

It is an arithmetic number, because the mean of its divisors is an integer number (14852868240).

Almost surely, 2^203210111212 is an apocalyptic number.

It is an amenable number.

203210111212 is a deficient number, since it is larger than the sum of its proper divisors (153258726548).

203210111212 is a wasteful number, since it uses less digits than its factorization.

203210111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32841 (or 32839 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 203210111212 its reverse (212111012302), we get a palindrome (415321123514).

The spelling of 203210111212 in words is "two hundred three billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".