12305312122 has 8 divisors (see below), whose sum is σ = 18465457536. Its totient is φ = 6150159612.

The previous prime is 12305312101. The next prime is 12305312177. The reversal of 12305312122 is 22121350321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12305312093 and 12305312102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1242058 + ... + 1251925.

It is an arithmetic number, because the mean of its divisors is an integer number (2308182192).

Almost surely, 2^12305312122 is an apocalyptic number.

12305312122 is a deficient number, since it is larger than the sum of its proper divisors (6160145414).

12305312122 is a wasteful number, since it uses less digits than its factorization.

12305312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496452.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12305312122 its reverse (22121350321), we get a palindrome (34426662443).

The spelling of 12305312122 in words is "twelve billion, three hundred five million, three hundred twelve thousand, one hundred twenty-two".