120312012 has 24 divisors (see below), whose sum is σ = 288316336. Its totient is φ = 39019968.

The previous prime is 120312007. The next prime is 120312019. The reversal of 120312012 is 210213021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120312019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135043 + ... + 135930.

Almost surely, 2^120312012 is an apocalyptic number.

120312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120312012 is an abundant number, since it is smaller than the sum of its proper divisors (168004324).

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

120312012 is a wasteful number, since it uses less digits than its factorization.

120312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271017 (or 271015 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120312012 is about 10968.6832391131. The cubic root of 120312012 is about 493.6695380930.

Adding to 120312012 its reverse (210213021), we get a palindrome (330525033).

The spelling of 120312012 in words is "one hundred twenty million, three hundred twelve thousand, twelve".