12321240122 has 8 divisors (see below), whose sum is σ = 18521952372. Its totient is φ = 6147256000.

The previous prime is 12321240109. The next prime is 12321240149. The reversal of 12321240122 is 22104212321.

It can be written as a sum of positive squares in 2 ways, for example, as 11621055601 + 700184521 = 107801^2 + 26461^2 .

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 = 12321240094 and 12321240103.

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, 6680879 + ... + 6682722.

Almost surely, 2^12321240122 is an apocalyptic number.

12321240122 is a deficient number, since it is larger than the sum of its proper divisors (6200712250).

12321240122 is a wasteful number, since it uses less digits than its factorization.

12321240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13364064.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12321240122 its reverse (22104212321), we get a palindrome (34425452443).

The spelling of 12321240122 in words is "twelve billion, three hundred twenty-one million, two hundred forty thousand, one hundred twenty-two".