120522312 has 48 divisors (see below), whose sum is σ = 327064140. Its totient is φ = 40094208.

The previous prime is 120522239. The next prime is 120522317. The reversal of 120522312 is 213225021.

It can be written as a sum of positive squares in 2 ways, for example, as 120428676 + 93636 = 10974^2 + 306^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120522317) 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, 43068 + ... + 45780.

Almost surely, 2^120522312 is an apocalyptic number.

120522312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120522312 is an abundant number, since it is smaller than the sum of its proper divisors (206541828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120522312 is a wasteful number, since it uses less digits than its factorization.

120522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120522312 is about 10978.2654367619. The cubic root of 120522312 is about 493.9570080656.

Adding to 120522312 its reverse (213225021), we get a palindrome (333747333).

The spelling of 120522312 in words is "one hundred twenty million, five hundred twenty-two thousand, three hundred twelve".