12667001646342 has 8 divisors (see below), whose sum is σ = 25334003292696. Its totient is φ = 4222333882112.

The previous prime is 12667001646269. The next prime is 12667001646353. The reversal of 12667001646342 is 24364610076621.

It is a sphenic number, since it is the product of 3 distinct primes.

12667001646342 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12667001646291 and 12667001646300.

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, 1055583470523 + ... + 1055583470534.

It is an arithmetic number, because the mean of its divisors is an integer number (3166750411587).

Almost surely, 2^{12667001646342} is an apocalyptic number.

12667001646342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12667001646342 is a wasteful number, since it uses less digits than its factorization.

12667001646342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111166941062.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 12667001646342 in words is "twelve trillion, six hundred sixty-seven billion, one million, six hundred forty-six thousand, three hundred forty-two".