12431302052122 has 4 divisors (see below), whose sum is σ = 18646953078186. Its totient is φ = 6215651026060.

The previous prime is 12431302052119. The next prime is 12431302052131. The reversal of 12431302052122 is 22125020313421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11275485694201 + 1155816357921 = 3357899^2 + 1075089^2 .

It is a super-2 number, since 2×12431302052122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3107825513029 + ... + 3107825513032.

Almost surely, 2^{12431302052122} is an apocalyptic number.

12431302052122 is a deficient number, since it is larger than the sum of its proper divisors (6215651026064).

12431302052122 is an equidigital number, since it uses as much as digits as its factorization.

12431302052122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215651026063.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12431302052122 its reverse (22125020313421), we get a palindrome (34556322365543).

The spelling of 12431302052122 in words is "twelve trillion, four hundred thirty-one billion, three hundred two million, fifty-two thousand, one hundred twenty-two".