1285068880272 has 20 divisors (see below), whose sum is σ = 3319761274160. Its totient is φ = 428356293408.

The previous prime is 1285068880231. The next prime is 1285068880321. The reversal of 1285068880272 is 2720888605821.

It is a happy 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, 13386134122 + ... + 13386134217.

It is an arithmetic number, because the mean of its divisors is an integer number (165988063708).

Almost surely, 2^{1285068880272} is an apocalyptic number.

1285068880272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1285068880272 is an abundant number, since it is smaller than the sum of its proper divisors (2034692393888).

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

1285068880272 is a wasteful number, since it uses less digits than its factorization.

1285068880272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26772268350 (or 26772268344 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 1285068880272 in words is "one trillion, two hundred eighty-five billion, sixty-eight million, eight hundred eighty thousand, two hundred seventy-two".