120213243 has 12 divisors (see below), whose sum is σ = 173773600. Its totient is φ = 80081136.

The previous prime is 120213229. The next prime is 120213293. The reversal of 120213243 is 342312021.

It is not a de Polignac number, because 120213243 - 2⁵ = 120213211 is a prime.

It is a super-3 number, since 3×120213243³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120213293) 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 11 ways as a sum of consecutive naturals, for example, 9630 + ... + 18252.

Almost surely, 2^120213243 is an apocalyptic number.

120213243 is a deficient number, since it is larger than the sum of its proper divisors (53560357).

120213243 is a wasteful number, since it uses less digits than its factorization.

120213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10175 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120213243 is about 10964.1799966983. The cubic root of 120213243 is about 493.5344100075.

Adding to 120213243 its reverse (342312021), we get a palindrome (462525264).

The spelling of 120213243 in words is "one hundred twenty million, two hundred thirteen thousand, two hundred forty-three".