120642212 has 6 divisors (see below), whose sum is σ = 211123878. Its totient is φ = 60321104.

The previous prime is 120642167. The next prime is 120642227. The reversal of 120642212 is 212246021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 54967396 = 8104^2 + 7414^2 .

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 as a sum of consecutive naturals, namely, 15080273 + ... + 15080280.

It is an arithmetic number, because the mean of its divisors is an integer number (35187313).

Almost surely, 2^120642212 is an apocalyptic number.

It is an amenable number.

120642212 is a deficient number, since it is larger than the sum of its proper divisors (90481666).

120642212 is a wasteful number, since it uses less digits than its factorization.

120642212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30160557 (or 30160555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 120642212 is about 10983.7248690961. The cubic root of 120642212 is about 494.1207559373.

Adding to 120642212 its reverse (212246021), we get a palindrome (332888233).

The spelling of 120642212 in words is "one hundred twenty million, six hundred forty-two thousand, two hundred twelve".