12302121312031 has 4 divisors (see below), whose sum is σ = 12353594623200. Its totient is φ = 12250648000864.

The previous prime is 12302121312023. The next prime is 12302121312053. The reversal of 12302121312031 is 13021312120321.

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

It is a cyclic number.

It is not a de Polignac number, because 12302121312031 - 2³ = 12302121312023 is a prime.

It is a super-2 number, since 2×12302121312031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12302121311993 and 12302121312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302121312011) 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, 25736655226 + ... + 25736655703.

It is an arithmetic number, because the mean of its divisors is an integer number (3088398655800).

Almost surely, 2^{12302121312031} is an apocalyptic number.

12302121312031 is a deficient number, since it is larger than the sum of its proper divisors (51473311169).

12302121312031 is an equidigital number, since it uses as much as digits as its factorization.

12302121312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51473311168.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12302121312031 its reverse (13021312120321), we get a palindrome (25323433432352).

The spelling of 12302121312031 in words is "twelve trillion, three hundred two billion, one hundred twenty-one million, three hundred twelve thousand, thirty-one".