2112131230 has 48 divisors (see below), whose sum is σ = 4196796912. Its totient is φ = 764755200.

The previous prime is 2112131207. The next prime is 2112131243. The reversal of 2112131230 is 321312112.

It is a super-2 number, since 2×2112131230² = 8922196665482625800, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 287989 + ... + 295231.

It is an arithmetic number, because the mean of its divisors is an integer number (87433269).

Almost surely, 2^2112131230 is an apocalyptic number.

2112131230 is a deficient number, since it is larger than the sum of its proper divisors (2084665682).

2112131230 is a wasteful number, since it uses less digits than its factorization.

2112131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513 (or 7502 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2112131230 is about 45957.9289133007. The cubic root of 2112131230 is about 1283.0403049789.

Adding to 2112131230 its reverse (321312112), we get a palindrome (2433443342).

The spelling of 2112131230 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred thirty".