120020312122123 has 16 divisors (see below), whose sum is σ = 141907380788160. Its totient is φ = 99319143168000.

The previous prime is 120020312122121. The next prime is 120020312122141. The reversal of 120020312122123 is 321221213020021.

It is not a de Polignac number, because 120020312122123 - 2¹ = 120020312122121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020312122094 and 120020312122103.

It is not an unprimeable number, because it can be changed into a prime (120020312122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21320718 + ... + 26355523.

It is an arithmetic number, because the mean of its divisors is an integer number (8869211299260).

Almost surely, 2^{120020312122123} is an apocalyptic number.

120020312122123 is a deficient number, since it is larger than the sum of its proper divisors (21887068666037).

120020312122123 is a wasteful number, since it uses less digits than its factorization.

120020312122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47688678.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 120020312122123 its reverse (321221213020021), we get a palindrome (441241525142144).

The spelling of 120020312122123 in words is "one hundred twenty trillion, twenty billion, three hundred twelve million, one hundred twenty-two thousand, one hundred twenty-three".