68213802295120 has 40 divisors (see below), whose sum is σ = 158606822654280. Its totient is φ = 27283846540800.

The previous prime is 68213802295097. The next prime is 68213802295157. The reversal of 68213802295120 is 2159220831286.

It can be written as a sum of positive squares in 4 ways, for example, as 3534505280784 + 64679297014336 = 1880028^2 + 8042344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24849915 + ... + 27458074.

It is an arithmetic number, because the mean of its divisors is an integer number (3965170566357).

Almost surely, 2^{68213802295120} is an apocalyptic number.

It is an amenable number.

68213802295120 is an abundant number, since it is smaller than the sum of its proper divisors (90393020359160).

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

68213802295120 is a wasteful number, since it uses less digits than its factorization.

68213802295120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52324303 (or 52324297 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 68213802295120 in words is "sixty-eight trillion, two hundred thirteen billion, eight hundred two million, two hundred ninety-five thousand, one hundred twenty".