120216357 has 12 divisors (see below), whose sum is σ = 179247744. Its totient is φ = 77558760.

The previous prime is 120216337. The next prime is 120216373. The reversal of 120216357 is 753612021.

It is a happy number.

120216357 is a `hidden beast` number, since 1 + 2 + 0 + 21 + 635 + 7 = 666.

It is not a de Polignac number, because 120216357 - 2¹⁵ = 120183589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120216357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120216307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215163 + ... + 215720.

It is an arithmetic number, because the mean of its divisors is an integer number (14937312).

Almost surely, 2^120216357 is an apocalyptic number.

It is an amenable number.

120216357 is a deficient number, since it is larger than the sum of its proper divisors (59031387).

120216357 is a wasteful number, since it uses less digits than its factorization.

120216357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430920 (or 430917 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 120216357 is about 10964.3220036626. The cubic root of 120216357 is about 493.5386714706.

Adding to 120216357 its reverse (753612021), we get a palindrome (873828378).

The spelling of 120216357 in words is "one hundred twenty million, two hundred sixteen thousand, three hundred fifty-seven".