68421811200 has 528 divisors, whose sum is σ = 241725480960. Its totient is φ = 17031168000.

The previous prime is 68421811189. The next prime is 68421811201. The reversal of 68421811200 is 211812486.

68421811200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68421811201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69042705 + ... + 69043695.

Almost surely, 2^68421811200 is an apocalyptic number.

68421811200 is a gapful number since it is divisible by the number (60) 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 68421811200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120862740480).

68421811200 is an abundant number, since it is smaller than the sum of its proper divisors (173303669760).

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

68421811200 is a wasteful number, since it uses less digits than its factorization.

68421811200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 68421811200 in words is "sixty-eight billion, four hundred twenty-one million, eight hundred eleven thousand, two hundred".