2231130012 has 12 divisors (see below), whose sum is σ = 5205970056. Its totient is φ = 743710000.

The previous prime is 2231129959. The next prime is 2231130049. The reversal of 2231130012 is 2100311322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2231130012³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231129973 and 2231130000.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92963739 + ... + 92963762.

It is an arithmetic number, because the mean of its divisors is an integer number (433830838).

Almost surely, 2^2231130012 is an apocalyptic number.

It is an amenable number.

2231130012 is an abundant number, since it is smaller than the sum of its proper divisors (2974840044).

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

2231130012 is a wasteful number, since it uses less digits than its factorization.

2231130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185927508 (or 185927506 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231130012 is about 47234.8389644762. The cubic root of 2231130012 is about 1306.6971966639.

Adding to 2231130012 its reverse (2100311322), we get a palindrome (4331441334).

The spelling of 2231130012 in words is "two billion, two hundred thirty-one million, one hundred thirty thousand, twelve".