1283200278976 has 56 divisors (see below), whose sum is σ = 3174670832256. Its totient is φ = 499948158720.

The previous prime is 1283200278961. The next prime is 1283200279033. The reversal of 1283200278976 is 6798720023821.

It is a happy number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130189906 + ... + 130199761.

It is an arithmetic number, because the mean of its divisors is an integer number (56690550576).

Almost surely, 2^{1283200278976} is an apocalyptic number.

1283200278976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1283200278976 is an abundant number, since it is smaller than the sum of its proper divisors (1891470553280).

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

1283200278976 is a wasteful number, since it uses less digits than its factorization.

1283200278976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260389697 (or 260389687 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1283200278976 in words is "one trillion, two hundred eighty-three billion, two hundred million, two hundred seventy-eight thousand, nine hundred seventy-six".