120636222212 has 18 divisors (see below), whose sum is σ = 232050254814. Its totient is φ = 54834646240.

The previous prime is 120636222211. The next prime is 120636222233. The reversal of 120636222212 is 212222636021.

It can be written as a sum of positive squares in only one way, i.e., 114071009536 + 6565212676 = 337744^2 + 81026^2 .

It is not an unprimeable number, because it can be changed into a prime (120636222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124623713 + ... + 124624680.

It is an arithmetic number, because the mean of its divisors is an integer number (12891680823).

Almost surely, 2^120636222212 is an apocalyptic number.

It is an amenable number.

120636222212 is a deficient number, since it is larger than the sum of its proper divisors (111414032602).

120636222212 is a wasteful number, since it uses less digits than its factorization.

120636222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249248419 (or 249248406 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 120636222212 its reverse (212222636021), we get a palindrome (332858858233).

The spelling of 120636222212 in words is "one hundred twenty billion, six hundred thirty-six million, two hundred twenty-two thousand, two hundred twelve".