68712209280000 has 6600 divisors, whose sum is σ = 326247958434816. Its totient is φ = 14233190400000.

The previous prime is 68712209279863. The next prime is 68712209280017. The reversal of 68712209280000 is 8290221786.

It is a tau number, because it is divible by the number of its divisors (6600).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 599 ways as a sum of consecutive naturals, for example, 2216522879985 + ... + 2216522880015.

Almost surely, 2^{68712209280000} is an apocalyptic number.

68712209280000 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 68712209280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163123979217408).

68712209280000 is an abundant number, since it is smaller than the sum of its proper divisors (257535749154816).

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

68712209280000 is a wasteful number, since it uses less digits than its factorization.

68712209280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 68712209280000 in words is "sixty-eight trillion, seven hundred twelve billion, two hundred nine million, two hundred eighty thousand".