120689539216 has 15 divisors (see below), whose sum is σ = 233838674643. Its totient is φ = 60344074800.

The previous prime is 120689539213. The next prime is 120689539231. The reversal of 120689539216 is 612935986021.

The square root of 120689539216 is 347404.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120689539213) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1346191 + ... + 1433041.

Almost surely, 2^120689539216 is an apocalyptic number.

120689539216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

120689539216 is the 347404-th square number.

It is an amenable number.

120689539216 is a deficient number, since it is larger than the sum of its proper divisors (113149135427).

120689539216 is an frugal number, since it uses more digits than its factorization.

120689539216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173710 (or 86853 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 120689539216 in words is "one hundred twenty billion, six hundred eighty-nine million, five hundred thirty-nine thousand, two hundred sixteen".