12310224121 has 4 divisors (see below), whose sum is σ = 13257164452. Its totient is φ = 11363283792.

The previous prime is 12310224097. The next prime is 12310224149. The reversal of 12310224121 is 12142201321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12142201321 = 3313 ⋅3665017.

It can be written as a sum of positive squares in 2 ways, for example, as 3053667600 + 9256556521 = 55260^2 + 96211^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310224121 - 2⁹ = 12310223609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310225121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473470146 + ... + 473470171.

It is an arithmetic number, because the mean of its divisors is an integer number (3314291113).

Almost surely, 2^12310224121 is an apocalyptic number.

It is an amenable number.

12310224121 is a deficient number, since it is larger than the sum of its proper divisors (946940331).

12310224121 is an equidigital number, since it uses as much as digits as its factorization.

12310224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946940330.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12310224121 its reverse (12142201321), we get a palindrome (24452425442).

The spelling of 12310224121 in words is "twelve billion, three hundred ten million, two hundred twenty-four thousand, one hundred twenty-one".