120012123223 has 16 divisors (see below), whose sum is σ = 126104472576. Its totient is φ = 113993193600.

The previous prime is 120012123181. The next prime is 120012123227. The reversal of 120012123223 is 322321210021.

It is a cyclic number.

It is not a de Polignac number, because 120012123223 - 2²⁹ = 119475252311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012123227) 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, 14836086 + ... + 14844172.

It is an arithmetic number, because the mean of its divisors is an integer number (7881529536).

Almost surely, 2^120012123223 is an apocalyptic number.

120012123223 is a deficient number, since it is larger than the sum of its proper divisors (6092349353).

120012123223 is a wasteful number, since it uses less digits than its factorization.

120012123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120012123223 its reverse (322321210021), we get a palindrome (442333333244).

The spelling of 120012123223 in words is "one hundred twenty billion, twelve million, one hundred twenty-three thousand, two hundred twenty-three".