68124413220 has 144 divisors (see below), whose sum is σ = 194909194368. Its totient is φ = 17775313920.

The previous prime is 68124413177. The next prime is 68124413221. The reversal of 68124413220 is 2231442186.

It is not an unprimeable number, because it can be changed into a prime (68124413221) 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, 107962305 + ... + 107962935.

It is an arithmetic number, because the mean of its divisors is an integer number (1353536072).

Almost surely, 2^68124413220 is an apocalyptic number.

68124413220 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 68124413220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97454597184).

68124413220 is an abundant number, since it is smaller than the sum of its proper divisors (126784781148).

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

68124413220 is a wasteful number, since it uses less digits than its factorization.

68124413220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 68124413220 in words is "sixty-eight billion, one hundred twenty-four million, four hundred thirteen thousand, two hundred twenty".