120120234231 has 4 divisors (see below), whose sum is σ = 160160312312. Its totient is φ = 80080156152.

The previous prime is 120120234203. The next prime is 120120234293. The reversal of 120120234231 is 132432021021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132432021021 = 3 ⋅44144007007.

It is not a de Polignac number, because 120120234231 - 2⁶ = 120120234167 is a prime.

It is a super-2 number, since 2×120120234231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120120234198 and 120120234207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120234331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20020039036 + ... + 20020039041.

It is an arithmetic number, because the mean of its divisors is an integer number (40040078078).

Almost surely, 2^120120234231 is an apocalyptic number.

120120234231 is a deficient number, since it is larger than the sum of its proper divisors (40040078081).

120120234231 is an equidigital number, since it uses as much as digits as its factorization.

120120234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40040078080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 120120234231 its reverse (132432021021), we get a palindrome (252552255252).

The spelling of 120120234231 in words is "one hundred twenty billion, one hundred twenty million, two hundred thirty-four thousand, two hundred thirty-one".