2012203130 has 48 divisors (see below), whose sum is σ = 4461167016. Its totient is φ = 649313280.

The previous prime is 2012203129. The next prime is 2012203133. The reversal of 2012203130 is 313022102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1728314329 + 283888801 = 41573^2 + 16849^2 .

It is a super-2 number, since 2×2012203130² = 8097922872763593800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012203133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112451 + ... + 129110.

Almost surely, 2^2012203130 is an apocalyptic number.

2012203130 is an abundant number, since it is smaller than the sum of its proper divisors (2448963886).

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

2012203130 is a wasteful number, since it uses less digits than its factorization.

2012203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241599 (or 241592 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2012203130 is about 44857.5872066254. The cubic root of 2012203130 is about 1262.4783524700.

Adding to 2012203130 its reverse (313022102), we get a palindrome (2325225232).

The spelling of 2012203130 in words is "two billion, twelve million, two hundred three thousand, one hundred thirty".