203200120124 has 12 divisors (see below), whose sum is σ = 355613342448. Its totient is φ = 101596308000.

The previous prime is 203200120111. The next prime is 203200120129. The reversal of 203200120124 is 421021002302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203200120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814352 + ... + 1034199.

It is an arithmetic number, because the mean of its divisors is an integer number (29634445204).

Almost surely, 2^203200120124 is an apocalyptic number.

It is an amenable number.

203200120124 is a deficient number, since it is larger than the sum of its proper divisors (152413222324).

203200120124 is a wasteful number, since it uses less digits than its factorization.

203200120124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876036 (or 1876034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 203200120124 its reverse (421021002302), we get a palindrome (624221122426).

The spelling of 203200120124 in words is "two hundred three billion, two hundred million, one hundred twenty thousand, one hundred twenty-four".