120320211123 has 24 divisors (see below), whose sum is σ = 205031064576. Its totient is φ = 66536521200.

The previous prime is 120320211083. The next prime is 120320211127. The reversal of 120320211123 is 321112023021.

120320211123 is a `hidden beast` number, since 12 + 0 + 320 + 211 + 123 = 666.

It is not a de Polignac number, because 120320211123 - 2⁹ = 120320210611 is a prime.

It is a super-2 number, since 2×120320211123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120320211096 and 120320211105.

It is not an unprimeable number, because it can be changed into a prime (120320211127) 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 23 ways as a sum of consecutive naturals, for example, 30801993 + ... + 30805898.

It is an arithmetic number, because the mean of its divisors is an integer number (8542961024).

Almost surely, 2^120320211123 is an apocalyptic number.

120320211123 is a deficient number, since it is larger than the sum of its proper divisors (84710853453).

120320211123 is a wasteful number, since it uses less digits than its factorization.

120320211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61607935 (or 61607932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120320211123 its reverse (321112023021), we get a palindrome (441432234144).

The spelling of 120320211123 in words is "one hundred twenty billion, three hundred twenty million, two hundred eleven thousand, one hundred twenty-three".