791213280000 has 720 divisors, whose sum is σ = 3091684544256. Its totient is φ = 177039360000.

The previous prime is 791213279959. The next prime is 791213280017. The reversal of 791213280000 is 82312197.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 68634237 + ... + 68645763.

Almost surely, 2^791213280000 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 791213280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545842272128).

791213280000 is an abundant number, since it is smaller than the sum of its proper divisors (2300471264256).

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

791213280000 is a wasteful number, since it uses less digits than its factorization.

791213280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590 (or 11561 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

Adding to 791213280000 its reverse (82312197), we get a palindrome (791295592197).

The spelling of 791213280000 in words is "seven hundred ninety-one billion, two hundred thirteen million, two hundred eighty thousand".