12012131230 has 64 divisors (see below), whose sum is σ = 23915673792. Its totient is φ = 4307696640.

The previous prime is 12012131177. The next prime is 12012131231. The reversal of 12012131230 is 3213121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012131231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2363452 + ... + 2368528.

It is an arithmetic number, because the mean of its divisors is an integer number (373682403).

Almost surely, 2^12012131230 is an apocalyptic number.

12012131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012131230 is a deficient number, since it is larger than the sum of its proper divisors (11903542562).

12012131230 is a wasteful number, since it uses less digits than its factorization.

12012131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389.

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

Adding to 12012131230 its reverse (3213121021), we get a palindrome (15225252251).

The spelling of 12012131230 in words is "twelve billion, twelve million, one hundred thirty-one thousand, two hundred thirty".