120234012005 has 12 divisors (see below), whose sum is σ = 152274213612. Its totient is φ = 91124723520.

The previous prime is 120234011971. The next prime is 120234012007. The reversal of 120234012005 is 500210432021.

It can be written as a sum of positive squares in 2 ways, for example, as 55131979204 + 65102032801 = 234802^2 + 255151^2 .

It is not a de Polignac number, because 120234012005 - 2⁶ = 120234011941 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 (120234012007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33304016 + ... + 33307625.

It is an arithmetic number, because the mean of its divisors is an integer number (12689517801).

Almost surely, 2^120234012005 is an apocalyptic number.

It is an amenable number.

120234012005 is a deficient number, since it is larger than the sum of its proper divisors (32040201607).

120234012005 is an equidigital number, since it uses as much as digits as its factorization.

120234012005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66611684 (or 66611665 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 120234012005 its reverse (500210432021), we get a palindrome (620444444026).

The spelling of 120234012005 in words is "one hundred twenty billion, two hundred thirty-four million, twelve thousand, five".