120020120123 has 4 divisors (see below), whose sum is σ = 122947440168. Its totient is φ = 117092800080.

The previous prime is 120020120111. The next prime is 120020120137. The reversal of 120020120123 is 321021020021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120020120123 - 2¹⁰ = 120020119099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020120098 and 120020120107.

It is not an unprimeable number, because it can be changed into a prime (120020150123) 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, 1463659961 + ... + 1463660042.

It is an arithmetic number, because the mean of its divisors is an integer number (30736860042).

Almost surely, 2^120020120123 is an apocalyptic number.

120020120123 is a deficient number, since it is larger than the sum of its proper divisors (2927320045).

120020120123 is an equidigital number, since it uses as much as digits as its factorization.

120020120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927320044.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120020120123 its reverse (321021020021), we get a palindrome (441041140144).

The spelling of 120020120123 in words is "one hundred twenty billion, twenty million, one hundred twenty thousand, one hundred twenty-three".