120312212 has 6 divisors (see below), whose sum is σ = 210546378. Its totient is φ = 60156104.

The previous prime is 120312193. The next prime is 120312217. The reversal of 120312212 is 212213021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 2676496 = 10846^2 + 1636^2 .

It is a super-3 number, since 3×120312212³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120312217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15039023 + ... + 15039030.

It is an arithmetic number, because the mean of its divisors is an integer number (35091063).

Almost surely, 2^120312212 is an apocalyptic number.

It is an amenable number.

120312212 is a deficient number, since it is larger than the sum of its proper divisors (90234166).

120312212 is a wasteful number, since it uses less digits than its factorization.

120312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30078057 (or 30078055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120312212 is about 10968.6923559739. The cubic root of 120312212 is about 493.6698116424.

Adding to 120312212 its reverse (212213021), we get a palindrome (332525233).

The spelling of 120312212 in words is "one hundred twenty million, three hundred twelve thousand, two hundred twelve".