120221213 has 8 divisors (see below), whose sum is σ = 137507520. Its totient is φ = 102962880.

The previous prime is 120221203. The next prime is 120221221. The reversal of 120221213 is 312122021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120221213 - 2⁴ = 120221197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3218 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (17188440).

Almost surely, 2^120221213 is an apocalyptic number.

It is an amenable number.

120221213 is a deficient number, since it is larger than the sum of its proper divisors (17286307).

120221213 is a wasteful number, since it uses less digits than its factorization.

120221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13987.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120221213 is about 10964.5434469475. The cubic root of 120221213 is about 493.5453166881.

Adding to 120221213 its reverse (312122021), we get a palindrome (432343234).

The spelling of 120221213 in words is "one hundred twenty million, two hundred twenty-one thousand, two hundred thirteen".