120315312 has 60 divisors (see below), whose sum is σ = 362622624. Its totient is φ = 37019520.

The previous prime is 120315311. The next prime is 120315313. The reversal of 120315312 is 213513021.

It is an interprime number because it is at equal distance from previous prime (120315311) and next prime (120315313).

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 (120315311) 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, 30264 + ... + 34007.

Almost surely, 2^120315312 is an apocalyptic number.

120315312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120315312 is an abundant number, since it is smaller than the sum of its proper divisors (242307312).

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

120315312 is a wasteful number, since it uses less digits than its factorization.

120315312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64298 (or 64289 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 120315312 is about 10968.8336663476. The cubic root of 120315312 is about 493.6740516201.

Adding to 120315312 its reverse (213513021), we get a palindrome (333828333).

The spelling of 120315312 in words is "one hundred twenty million, three hundred fifteen thousand, three hundred twelve".