12408219736 has 16 divisors (see below), whose sum is σ = 25380449640. Its totient is φ = 5640099840.

The previous prime is 12408219697. The next prime is 12408219757. The reversal of 12408219736 is 63791280421.

It is a junction number, because it is equal to n+sod(n) for n = 12408219692 and 12408219701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70501161 + ... + 70501336.

Almost surely, 2^12408219736 is an apocalyptic number.

It is an amenable number.

12408219736 is an abundant number, since it is smaller than the sum of its proper divisors (12972229904).

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

12408219736 is a wasteful number, since it uses less digits than its factorization.

12408219736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141002514 (or 141002510 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 12408219736 in words is "twelve billion, four hundred eight million, two hundred nineteen thousand, seven hundred thirty-six".