120122002123 has 4 divisors (see below), whose sum is σ = 120393158328. Its totient is φ = 119850845920.

The previous prime is 120122002111. The next prime is 120122002127. The reversal of 120122002123 is 321200221021.

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 120122002123 - 2³³ = 111532067531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122002097 and 120122002106.

It is not an unprimeable number, because it can be changed into a prime (120122002127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135577438 + ... + 135578323.

It is an arithmetic number, because the mean of its divisors is an integer number (30098289582).

Almost surely, 2^120122002123 is an apocalyptic number.

120122002123 is a deficient number, since it is larger than the sum of its proper divisors (271156205).

120122002123 is an equidigital number, since it uses as much as digits as its factorization.

120122002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271156204.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120122002123 its reverse (321200221021), we get a palindrome (441322223144).

The spelling of 120122002123 in words is "one hundred twenty billion, one hundred twenty-two million, two thousand, one hundred twenty-three".