12406177986774 has 128 divisors (see below), whose sum is σ = 30918637854720. Its totient is φ = 3262517481600.

The previous prime is 12406177986749. The next prime is 12406177986823. The reversal of 12406177986774 is 47768977160421.

12406177986774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12406177986699 and 12406177986708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769102 + ... + 5040225.

It is an arithmetic number, because the mean of its divisors is an integer number (241551858240).

Almost surely, 2^{12406177986774} is an apocalyptic number.

12406177986774 is an abundant number, since it is smaller than the sum of its proper divisors (18512459867946).

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

12406177986774 is a wasteful number, since it uses less digits than its factorization.

12406177986774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809506.

The product of its (nonzero) digits is 199148544, while the sum is 69.

The spelling of 12406177986774 in words is "twelve trillion, four hundred six billion, one hundred seventy-seven million, nine hundred eighty-six thousand, seven hundred seventy-four".