120231213 has 8 divisors (see below), whose sum is σ = 160438368. Its totient is φ = 80089104.

The previous prime is 120231211. The next prime is 120231233. The reversal of 120231213 is 312132021.

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

It is not a de Polignac number, because 120231213 - 2¹ = 120231211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120231192 and 120231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231211) 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, 11770 + ... + 19467.

It is an arithmetic number, because the mean of its divisors is an integer number (20054796).

Almost surely, 2^120231213 is an apocalyptic number.

It is an amenable number.

120231213 is a deficient number, since it is larger than the sum of its proper divisors (40207155).

120231213 is a wasteful number, since it uses less digits than its factorization.

120231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32523.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120231213 is about 10964.9994528044. Note that the first 3 decimals coincide. The cubic root of 120231213 is about 493.5590006745.

Adding to 120231213 its reverse (312132021), we get a palindrome (432363234).

The spelling of 120231213 in words is "one hundred twenty million, two hundred thirty-one thousand, two hundred thirteen".