203312120208 has 40 divisors (see below), whose sum is σ = 527266678368. Its totient is φ = 67507003392.

The previous prime is 203312120173. The next prime is 203312120227. The reversal of 203312120208 is 802021213302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 8228266 + ... + 8252937.

Almost surely, 2^203312120208 is an apocalyptic number.

It is an amenable number.

203312120208 is an abundant number, since it is smaller than the sum of its proper divisors (323954558160).

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

203312120208 is a wasteful number, since it uses less digits than its factorization.

203312120208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481471 (or 16481465 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 203312120208 in words is "two hundred three billion, three hundred twelve million, one hundred twenty thousand, two hundred eight".