203012103123320 has 32 divisors (see below), whose sum is σ = 472528171065600. Its totient is φ = 78404674309248.

The previous prime is 203012103123293. The next prime is 203012103123329. The reversal of 203012103123320 is 23321301210302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012103123329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87505215704 + ... + 87505218023.

It is an arithmetic number, because the mean of its divisors is an integer number (14766505345800).

Almost surely, 2^{203012103123320} is an apocalyptic number.

203012103123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203012103123320 is an abundant number, since it is smaller than the sum of its proper divisors (269516067942280).

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

203012103123320 is a wasteful number, since it uses less digits than its factorization.

203012103123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175010433767 (or 175010433763 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203012103123320 its reverse (23321301210302), we get a palindrome (226333404333622).

The spelling of 203012103123320 in words is "two hundred three trillion, twelve billion, one hundred three million, one hundred twenty-three thousand, three hundred twenty".