1280970807072 has 192 divisors, whose sum is σ = 3683139102720. Its totient is φ = 386598758400.

The previous prime is 1280970807043. The next prime is 1280970807121. The reversal of 1280970807072 is 2707080790821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391612797 + ... + 391616067.

It is an arithmetic number, because the mean of its divisors is an integer number (19183016160).

Almost surely, 2^{1280970807072} is an apocalyptic number.

1280970807072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1280970807072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841569551360).

1280970807072 is an abundant number, since it is smaller than the sum of its proper divisors (2402168295648).

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

1280970807072 is a wasteful number, since it uses less digits than its factorization.

1280970807072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 1280970807072 in words is "one trillion, two hundred eighty billion, nine hundred seventy million, eight hundred seven thousand, seventy-two".