204123040132 has 24 divisors (see below), whose sum is σ = 389716165440. Its totient is φ = 92776836960.

The previous prime is 204123040087. The next prime is 204123040211. The reversal of 204123040132 is 231040321402.

204123040132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 522618 + ... + 825454.

It is an arithmetic number, because the mean of its divisors is an integer number (16238173560).

Almost surely, 2^204123040132 is an apocalyptic number.

204123040132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204123040132 is a deficient number, since it is larger than the sum of its proper divisors (185593125308).

204123040132 is a wasteful number, since it uses less digits than its factorization.

204123040132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318171 (or 318169 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 204123040132 its reverse (231040321402), we get a palindrome (435163361534).

The spelling of 204123040132 in words is "two hundred four billion, one hundred twenty-three million, forty thousand, one hundred thirty-two".