12465612420020 has 48 divisors (see below), whose sum is σ = 26680265015040. Its totient is φ = 4890595072896.

The previous prime is 12465612420013. The next prime is 12465612420071. The reversal of 12465612420020 is 2002421656421.

12465612420020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420919 + ... + 5191361.

It is an arithmetic number, because the mean of its divisors is an integer number (555838854480).

Almost surely, 2^{12465612420020} is an apocalyptic number.

12465612420020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12465612420020 is an abundant number, since it is smaller than the sum of its proper divisors (14214652595020).

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

12465612420020 is a wasteful number, since it uses less digits than its factorization.

12465612420020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773624 (or 3773622 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 12465612420020 in words is "twelve trillion, four hundred sixty-five billion, six hundred twelve million, four hundred twenty thousand, twenty".