500121701344216 has 32 divisors (see below), whose sum is σ = 1071785485620000. Its totient is φ = 214318646885376.

The previous prime is 500121701344207. The next prime is 500121701344217. The reversal of 500121701344216 is 612443107121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500121701344217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399893401 + ... + 401142088.

It is an arithmetic number, because the mean of its divisors is an integer number (33493296425625).

Almost surely, 2^{500121701344216} is an apocalyptic number.

500121701344216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

500121701344216 is an abundant number, since it is smaller than the sum of its proper divisors (571663784275784).

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

500121701344216 is a wasteful number, since it uses less digits than its factorization.

500121701344216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801046651 (or 801046647 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 500121701344216 in words is "five hundred trillion, one hundred twenty-one billion, seven hundred one million, three hundred forty-four thousand, two hundred sixteen".