120345012 has 72 divisors (see below), whose sum is σ = 331312800. Its totient is φ = 36687168.

The previous prime is 120345011. The next prime is 120345013. The reversal of 120345012 is 210543021.

120345012 is a `hidden beast` number, since 1 + 203 + 450 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (120345011) and next prime (120345013).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120345011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16803 + ... + 22869.

Almost surely, 2^120345012 is an apocalyptic number.

120345012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120345012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165656400).

120345012 is an abundant number, since it is smaller than the sum of its proper divisors (210967788).

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

120345012 is a wasteful number, since it uses less digits than its factorization.

120345012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125 (or 6120 counting only the distinct ones).

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

The square root of 120345012 is about 10970.1874186360. The cubic root of 120345012 is about 493.7146696506.

Adding to 120345012 its reverse (210543021), we get a palindrome (330888033).

The spelling of 120345012 in words is "one hundred twenty million, three hundred forty-five thousand, twelve".