12408081860 has 48 divisors (see below), whose sum is σ = 28620950400. Its totient is φ = 4497571584.

The previous prime is 12408081823. The next prime is 12408081869. The reversal of 12408081860 is 6818080421.

It is a super-2 number, since 2×12408081860² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (12408081869) 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, 701105 + ... + 718584.

It is an arithmetic number, because the mean of its divisors is an integer number (596269800).

Almost surely, 2^12408081860 is an apocalyptic number.

12408081860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12408081860 is an abundant number, since it is smaller than the sum of its proper divisors (16212868540).

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

12408081860 is a wasteful number, since it uses less digits than its factorization.

12408081860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419740 (or 1419738 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The spelling of 12408081860 in words is "twelve billion, four hundred eight million, eighty-one thousand, eight hundred sixty".