12321122310029 has 4 divisors (see below), whose sum is σ = 13268900949276. Its totient is φ = 11373343670784.

The previous prime is 12321122310011. The next prime is 12321122310031. The reversal of 12321122310029 is 92001322112321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 893497562500 + 11427624747529 = 945250^2 + 3380477^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321122310029 - 2³² = 12316827342733 is a prime.

It is a super-2 number, since 2×12321122310029² (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 = 12321122309983 and 12321122310010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321122312029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473889319604 + ... + 473889319629.

It is an arithmetic number, because the mean of its divisors is an integer number (3317225237319).

Almost surely, 2^{12321122310029} is an apocalyptic number.

It is an amenable number.

12321122310029 is a deficient number, since it is larger than the sum of its proper divisors (947778639247).

12321122310029 is an equidigital number, since it uses as much as digits as its factorization.

12321122310029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947778639246.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 12321122310029 in words is "twelve trillion, three hundred twenty-one billion, one hundred twenty-two million, three hundred ten thousand, twenty-nine".