120216982 has 4 divisors (see below), whose sum is σ = 180325476. Its totient is φ = 60108490.

The previous prime is 120216973. The next prime is 120216983. The reversal of 120216982 is 289612021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289612021 = 23 ⋅12591827.

It is a super-2 number, since 2×120216982² = 28904245522376648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120216983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30054244 + ... + 30054247.

It is an arithmetic number, because the mean of its divisors is an integer number (45081369).

Almost surely, 2^120216982 is an apocalyptic number.

120216982 is a deficient number, since it is larger than the sum of its proper divisors (60108494).

120216982 is an equidigital number, since it uses as much as digits as its factorization.

120216982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60108493.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 120216982 is about 10964.3505051599. The cubic root of 120216982 is about 493.5395267650.

The spelling of 120216982 in words is "one hundred twenty million, two hundred sixteen thousand, nine hundred eighty-two".