120221210212 has 12 divisors (see below), whose sum is σ = 212470159356. Its totient is φ = 59515450400.

The previous prime is 120221210191. The next prime is 120221210233. The reversal of 120221210212 is 212012122021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120221210191) and next prime (120221210233).

It can be written as a sum of positive squares in 2 ways, for example, as 87696530496 + 32524679716 = 296136^2 + 180346^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148788223 + ... + 148789030.

It is an arithmetic number, because the mean of its divisors is an integer number (17705846613).

Almost surely, 2^120221210212 is an apocalyptic number.

It is an amenable number.

120221210212 is a deficient number, since it is larger than the sum of its proper divisors (92248949144).

120221210212 is a wasteful number, since it uses less digits than its factorization.

120221210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297577358 (or 297577356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120221210212 its reverse (212012122021), we get a palindrome (332233332233).

The spelling of 120221210212 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred ten thousand, two hundred twelve".