12487491830 has 32 divisors (see below), whose sum is σ = 24685495200. Its totient is φ = 4510424320.

The previous prime is 12487491803. The next prime is 12487491839. The reversal of 12487491830 is 3819478421.

12487491830 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487491839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364559 + ... + 397338.

It is an arithmetic number, because the mean of its divisors is an integer number (771421725).

Almost surely, 2^12487491830 is an apocalyptic number.

12487491830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12487491830 is a deficient number, since it is larger than the sum of its proper divisors (12198003370).

12487491830 is a wasteful number, since it uses less digits than its factorization.

12487491830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762064.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 12487491830 in words is "twelve billion, four hundred eighty-seven million, four hundred ninety-one thousand, eight hundred thirty".