12481861860 has 120 divisors (see below), whose sum is σ = 42168138936. Its totient is φ = 3072453120.

The previous prime is 12481861859. The next prime is 12481861921. The reversal of 12481861860 is 6816818421.

12481861860 is a `hidden beast` number, since 1 + 24 + 8 + 1 + 8 + 618 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 175509504 + 12306352356 = 13248^2 + 110934^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 275281 + ... + 317400.

Almost surely, 2^12481861860 is an apocalyptic number.

12481861860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12481861860 is an abundant number, since it is smaller than the sum of its proper divisors (29686277076).

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

12481861860 is a wasteful number, since it uses less digits than its factorization.

12481861860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592715 (or 592704 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 12481861860 in words is "twelve billion, four hundred eighty-one million, eight hundred sixty-one thousand, eight hundred sixty".