203124202112 has 64 divisors (see below), whose sum is σ = 446418461160. Its totient is φ = 91463024640.

The previous prime is 203124202111. The next prime is 203124202117. The reversal of 203124202112 is 211202421302.

It can be written as a sum of positive squares in 4 ways, for example, as 72930243136 + 130193958976 = 270056^2 + 360824^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (203124202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420433 + ... + 1556880.

Almost surely, 2^203124202112 is an apocalyptic number.

It is an amenable number.

203124202112 is an abundant number, since it is smaller than the sum of its proper divisors (243294259048).

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

203124202112 is a wasteful number, since it uses less digits than its factorization.

203124202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977381 (or 2977369 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 203124202112 its reverse (211202421302), we get a palindrome (414326623414).

The spelling of 203124202112 in words is "two hundred three billion, one hundred twenty-four million, two hundred two thousand, one hundred twelve".