120331212 has 24 divisors (see below), whose sum is σ = 289830912. Its totient is φ = 38816400.

The previous prime is 120331201. The next prime is 120331213. The reversal of 120331212 is 212133021.

It is a junction number, because it is equal to n+sod(n) for n = 120331191 and 120331200.

It is not an unprimeable number, because it can be changed into a prime (120331213) 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, 161364 + ... + 162107.

It is an arithmetic number, because the mean of its divisors is an integer number (12076288).

Almost surely, 2^120331212 is an apocalyptic number.

120331212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120331212 is an abundant number, since it is smaller than the sum of its proper divisors (169499700).

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

120331212 is a wasteful number, since it uses less digits than its factorization.

120331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323509 (or 323507 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120331212 is about 10969.5584232001. The cubic root of 120331212 is about 493.6957974576.

Adding to 120331212 its reverse (212133021), we get a palindrome (332464233).

The spelling of 120331212 in words is "one hundred twenty million, three hundred thirty-one thousand, two hundred twelve".