120216882353721 has 16 divisors (see below), whose sum is σ = 161465525449344. Its totient is φ = 79556459798144.

The previous prime is 120216882353671. The next prime is 120216882353761. The reversal of 120216882353721 is 127353288612021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120216882353721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120216882353761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4721695 + ... + 16208891.

It is an arithmetic number, because the mean of its divisors is an integer number (10091595340584).

Almost surely, 2^{120216882353721} is an apocalyptic number.

It is an amenable number.

120216882353721 is a deficient number, since it is larger than the sum of its proper divisors (41248643095623).

120216882353721 is a wasteful number, since it uses less digits than its factorization.

120216882353721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512800.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 120216882353721 in words is "one hundred twenty trillion, two hundred sixteen billion, eight hundred eighty-two million, three hundred fifty-three thousand, seven hundred twenty-one".