20122030123 has 12 divisors (see below), whose sum is σ = 22935734040. Its totient is φ = 17596590336.

The previous prime is 20122030099. The next prime is 20122030139. The reversal of 20122030123 is 32103022102.

It is not a de Polignac number, because 20122030123 - 2⁵ = 20122030091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122030097 and 20122030106.

It is not an unprimeable number, because it can be changed into a prime (20122090123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3130086 + ... + 3136507.

It is an arithmetic number, because the mean of its divisors is an integer number (1911311170).

Almost surely, 2^20122030123 is an apocalyptic number.

20122030123 is a deficient number, since it is larger than the sum of its proper divisors (2813703917).

20122030123 is a wasteful number, since it uses less digits than its factorization.

20122030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266638 (or 6266625 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20122030123 its reverse (32103022102), we get a palindrome (52225052225).

The spelling of 20122030123 in words is "twenty billion, one hundred twenty-two million, thirty thousand, one hundred twenty-three".