120311212 has 12 divisors (see below), whose sum is σ = 240622480. Its totient is φ = 51561936.

The previous prime is 120311201. The next prime is 120311237. The reversal of 120311212 is 212113021.

120311212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 120311192 and 120311201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148387 + ... + 2148442.

Almost surely, 2^120311212 is an apocalyptic number.

It is an amenable number.

120311212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120311212 is a wasteful number, since it uses less digits than its factorization.

120311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296840 (or 4296838 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 120311212 is about 10968.6467715940. The cubic root of 120311212 is about 493.6684438922.

Adding to 120311212 its reverse (212113021), we get a palindrome (332424233).

The spelling of 120311212 in words is "one hundred twenty million, three hundred eleven thousand, two hundred twelve".