2203173012 has 24 divisors (see below), whose sum is σ = 5149511136. Its totient is φ = 733137568.

The previous prime is 2203172989. The next prime is 2203173041. The reversal of 2203173012 is 2103713022.

It is a self number, because there is not a number n which added to its sum of digits gives 2203173012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149343 + ... + 163430.

It is an arithmetic number, because the mean of its divisors is an integer number (214562964).

Almost surely, 2^2203173012 is an apocalyptic number.

It is an amenable number.

2203173012 is an abundant number, since it is smaller than the sum of its proper divisors (2946338124).

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

2203173012 is a wasteful number, since it uses less digits than its factorization.

2203173012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313367 (or 313365 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2203173012 is about 46937.9698325354. The cubic root of 2203173012 is about 1301.2164180426.

Adding to 2203173012 its reverse (2103713022), we get a palindrome (4306886034).

The spelling of 2203173012 in words is "two billion, two hundred three million, one hundred seventy-three thousand, twelve".