120312112212 has 48 divisors (see below), whose sum is σ = 312000030720. Its totient is φ = 40093785216.

The previous prime is 120312112183. The next prime is 120312112229. The reversal of 120312112212 is 212211213021.

120312112212 is a `hidden beast` number, since 120 + 312 + 11 + 221 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 288028 + ... + 568844.

It is an arithmetic number, because the mean of its divisors is an integer number (6500000640).

Almost surely, 2^120312112212 is an apocalyptic number.

120312112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120312112212 is an abundant number, since it is smaller than the sum of its proper divisors (191687918508).

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

120312112212 is a wasteful number, since it uses less digits than its factorization.

120312112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284797 (or 284789 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120312112212 its reverse (212211213021), we get a palindrome (332523325233).

The spelling of 120312112212 in words is "one hundred twenty billion, three hundred twelve million, one hundred twelve thousand, two hundred twelve".