1326782673412 has 24 divisors (see below), whose sum is σ = 2653642027904. Its totient is φ = 568604714112.

The previous prime is 1326782673409. The next prime is 1326782673443. The reversal of 1326782673412 is 2143762876231.

It is a self number, because there is not a number n which added to its sum of digits gives 1326782673412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327868 + ... + 1661644.

Almost surely, 2^{1326782673412} is an apocalyptic number.

It is an amenable number.

1326782673412 is an abundant number, since it is smaller than the sum of its proper divisors (1326859354492).

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

1326782673412 is a wasteful number, since it uses less digits than its factorization.

1326782673412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369315 (or 1369313 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The spelling of 1326782673412 in words is "one trillion, three hundred twenty-six billion, seven hundred eighty-two million, six hundred seventy-three thousand, four hundred twelve".