120101210 has 16 divisors (see below), whose sum is σ = 216689256. Its totient is φ = 47927808.

The previous prime is 120101203. The next prime is 120101227. The reversal of 120101210 is 12101021.

It can be written as a sum of positive squares in 4 ways, for example, as 95667961 + 24433249 = 9781^2 + 4943^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 9539 + ... + 18198.

Almost surely, 2^120101210 is an apocalyptic number.

120101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101210 is a deficient number, since it is larger than the sum of its proper divisors (96588046).

120101210 is a wasteful number, since it uses less digits than its factorization.

120101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28177.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120101210 is about 10959.0697597926. The cubic root of 120101210 is about 493.3810455234.

Adding to 120101210 its reverse (12101021), we get a palindrome (132202231).

The spelling of 120101210 in words is "one hundred twenty million, one hundred one thousand, two hundred ten".