120216042705644 has 6 divisors (see below), whose sum is σ = 210378074734884. Its totient is φ = 60108021352820.

The previous prime is 120216042705587. The next prime is 120216042705653. The reversal of 120216042705644 is 446507240612021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120216042705595 and 120216042705604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027005338202 + ... + 15027005338209.

It is an arithmetic number, because the mean of its divisors is an integer number (35063012455814).

Almost surely, 2^{120216042705644} is an apocalyptic number.

It is an amenable number.

120216042705644 is a deficient number, since it is larger than the sum of its proper divisors (90162032029240).

120216042705644 is a wasteful number, since it uses less digits than its factorization.

120216042705644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30054010676415 (or 30054010676413 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 120216042705644 in words is "one hundred twenty trillion, two hundred sixteen billion, forty-two million, seven hundred five thousand, six hundred forty-four".