203112200000 has 84 divisors (see below), whose sum is σ = 503781716844. Its totient is φ = 81244800000.

The previous prime is 203112199951. The next prime is 203112200047. The reversal of 203112200000 is 2211302.

It is a happy number.

203112200000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 200460361984 + 2651838016 = 447728^2 + 51496^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307781 + ... + 707780.

It is an arithmetic number, because the mean of its divisors is an integer number (5997401391).

Almost surely, 2^203112200000 is an apocalyptic number.

203112200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203112200000 is an abundant number, since it is smaller than the sum of its proper divisors (300669516844).

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

203112200000 is an frugal number, since it uses more digits than its factorization.

203112200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015598 (or 1015568 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 203112200000 its reverse (2211302), we get a palindrome (203114411302).

The spelling of 203112200000 in words is "two hundred three billion, one hundred twelve million, two hundred thousand".