203143212553200 has 120 divisors (see below), whose sum is σ = 650786555328000. Its totient is φ = 54167266855680.

The previous prime is 203143212553189. The next prime is 203143212553217. The reversal of 203143212553200 is 2355212341302.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8642401 + ... + 21931199.

It is an arithmetic number, because the mean of its divisors is an integer number (5423221294400).

Almost surely, 2^{203143212553200} is an apocalyptic number.

203143212553200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203143212553200 is an abundant number, since it is smaller than the sum of its proper divisors (447643342774800).

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

203143212553200 is a wasteful number, since it uses less digits than its factorization.

203143212553200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13301559 (or 13301548 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 203143212553200 its reverse (2355212341302), we get a palindrome (205498424894502).

The spelling of 203143212553200 in words is "two hundred three trillion, one hundred forty-three billion, two hundred twelve million, five hundred fifty-three thousand, two hundred".