1200886578288 has 120 divisors (see below), whose sum is σ = 3541853740880. Its totient is φ = 378782023680.

The previous prime is 1200886578257. The next prime is 1200886578301. The reversal of 1200886578288 is 8828756880021.

1200886578288 is a `hidden beast` number, since 1 + 200 + 8 + 86 + 5 + 78 + 288 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2076528 + ... + 2591088.

Almost surely, 2^{1200886578288} is an apocalyptic number.

1200886578288 is a gapful number since it is divisible by the number (18) 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 1200886578288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770926870440).

1200886578288 is an abundant number, since it is smaller than the sum of its proper divisors (2340967162592).

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

1200886578288 is a wasteful number, since it uses less digits than its factorization.

1200886578288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515447 (or 515438 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 63.

The spelling of 1200886578288 in words is "one trillion, two hundred billion, eight hundred eighty-six million, five hundred seventy-eight thousand, two hundred eighty-eight".