203112322204 has 24 divisors (see below), whose sum is σ = 387943750656. Its totient is φ = 92280006000.

The previous prime is 203112322201. The next prime is 203112322207. The reversal of 203112322204 is 402223211302.

It is an interprime number because it is at equal distance from previous prime (203112322201) and next prime (203112322207).

It is a super-2 number, since 2×203112322204² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112322201) 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, 1000482 + ... + 1186249.

It is an arithmetic number, because the mean of its divisors is an integer number (16164322944).

Almost surely, 2^203112322204 is an apocalyptic number.

It is an amenable number.

203112322204 is a deficient number, since it is larger than the sum of its proper divisors (184831428452).

203112322204 is a wasteful number, since it uses less digits than its factorization.

203112322204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188857 (or 2188855 counting only the distinct ones).

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

Adding to 203112322204 its reverse (402223211302), we get a palindrome (605335533506).

The spelling of 203112322204 in words is "two hundred three billion, one hundred twelve million, three hundred twenty-two thousand, two hundred four".