203120033012 has 48 divisors (see below), whose sum is σ = 405550691280. Its totient is φ = 88183130112.

The previous prime is 203120032967. The next prime is 203120033089. The reversal of 203120033012 is 210330021302.

It can be written as a sum of positive squares in 8 ways, for example, as 1334002576 + 201786030436 = 36524^2 + 449206^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1517258 + ... + 1645694.

It is an arithmetic number, because the mean of its divisors is an integer number (8448972735).

Almost surely, 2^203120033012 is an apocalyptic number.

It is an amenable number.

203120033012 is a deficient number, since it is larger than the sum of its proper divisors (202430658268).

203120033012 is a wasteful number, since it uses less digits than its factorization.

203120033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130260 (or 130258 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203120033012 its reverse (210330021302), we get a palindrome (413450054314).

The spelling of 203120033012 in words is "two hundred three billion, one hundred twenty million, thirty-three thousand, twelve".