1208277880832 has 156 divisors (see below), whose sum is σ = 2680212888288. Its totient is φ = 540138700800.

The previous prime is 1208277880829. The next prime is 1208277880841. The reversal of 1208277880832 is 2380887728021.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167649773 + ... + 167656979.

It is an arithmetic number, because the mean of its divisors is an integer number (17180851848).

Almost surely, 2^{1208277880832} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208277880832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340106444144).

1208277880832 is an abundant number, since it is smaller than the sum of its proper divisors (1471935007456).

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

1208277880832 is an frugal number, since it uses more digits than its factorization.

1208277880832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364 (or 7281 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 56.

The spelling of 1208277880832 in words is "one trillion, two hundred eight billion, two hundred seventy-seven million, eight hundred eighty thousand, eight hundred thirty-two".