1200836711040 has 256 divisors, whose sum is σ = 4066101072000. Its totient is φ = 300585074688.

The previous prime is 1200836711017. The next prime is 1200836711089. The reversal of 1200836711040 is 401176380021.

It is a junction number, because it is equal to n+sod(n) for n = 1200836710992 and 1200836711010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3825322 + ... + 4127318.

Almost surely, 2^{1200836711040} is an apocalyptic number.

1200836711040 is a gapful number since it is divisible by the number (10) 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 1200836711040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033050536000).

1200836711040 is an abundant number, since it is smaller than the sum of its proper divisors (2865264360960).

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

1200836711040 is a wasteful number, since it uses less digits than its factorization.

1200836711040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302147 (or 302135 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 1200836711040 in words is "one trillion, two hundred billion, eight hundred thirty-six million, seven hundred eleven thousand, forty".