12489186810 has 32 divisors (see below), whose sum is σ = 29977428672. Its totient is φ = 3330074240.

The previous prime is 12489186779. The next prime is 12489186811. The reversal of 12489186810 is 1868198421.

It is a super-2 number, since 2×12489186810² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12489186810.

It is not an unprimeable number, because it can be changed into a prime (12489186811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338470 + ... + 373550.

It is an arithmetic number, because the mean of its divisors is an integer number (936794646).

Almost surely, 2^12489186810 is an apocalyptic number.

12489186810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12489186810 is an abundant number, since it is smaller than the sum of its proper divisors (17488241862).

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

12489186810 is a wasteful number, since it uses less digits than its factorization.

12489186810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46958.

The product of its (nonzero) digits is 221184, while the sum is 48.

The spelling of 12489186810 in words is "twelve billion, four hundred eighty-nine million, one hundred eighty-six thousand, eight hundred ten".