1287341376012 has 36 divisors (see below), whose sum is σ = 3255521230416. Its totient is φ = 428928081120.

The previous prime is 1287341376007. The next prime is 1287341376019. The reversal of 1287341376012 is 2106731437821.

1287341376012 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 3 + 4 + 1 + 37 + 601 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1287341376019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7653603 + ... + 7819994.

Almost surely, 2^{1287341376012} is an apocalyptic number.

1287341376012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1287341376012 is an abundant number, since it is smaller than the sum of its proper divisors (1968179854404).

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

1287341376012 is a wasteful number, since it uses less digits than its factorization.

1287341376012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475918 (or 15475913 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 1287341376012 in words is "one trillion, two hundred eighty-seven billion, three hundred forty-one million, three hundred seventy-six thousand, twelve".