1295776818112 has 56 divisors (see below), whose sum is σ = 2938772932704. Its totient is φ = 555307180032.

The previous prime is 1295776817999. The next prime is 1295776818139. The reversal of 1295776818112 is 2118186775921.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12050088 + ... + 12157144.

It is an arithmetic number, because the mean of its divisors is an integer number (52478088084).

Almost surely, 2^{1295776818112} is an apocalyptic number.

It is an amenable number.

1295776818112 is an abundant number, since it is smaller than the sum of its proper divisors (1642996114592).

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

1295776818112 is a wasteful number, since it uses less digits than its factorization.

1295776818112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134093 (or 134083 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 58.

The spelling of 1295776818112 in words is "one trillion, two hundred ninety-five billion, seven hundred seventy-six million, eight hundred eighteen thousand, one hundred twelve".