12321421433131 has 8 divisors (see below), whose sum is σ = 12574850770800. Its totient is φ = 12069478485120.

The previous prime is 12321421432979. The next prime is 12321421433137. The reversal of 12321421433131 is 13133412412321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12321421433131 - 2¹⁹ = 12321420908843 is a prime.

It is a super-2 number, since 2×12321421433131² (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 = 12321421433093 and 12321421433102.

It is not an unprimeable number, because it can be changed into a prime (12321421433137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371580666 + ... + 371613823.

It is an arithmetic number, because the mean of its divisors is an integer number (1571856346350).

Almost surely, 2^{12321421433131} is an apocalyptic number.

12321421433131 is a deficient number, since it is larger than the sum of its proper divisors (253429337669).

12321421433131 is an equidigital number, since it uses as much as digits as its factorization.

12321421433131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743194829.

The product of its digits is 10368, while the sum is 31.

Adding to 12321421433131 its reverse (13133412412321), we get a palindrome (25454833845452).

The spelling of 12321421433131 in words is "twelve trillion, three hundred twenty-one billion, four hundred twenty-one million, four hundred thirty-three thousand, one hundred thirty-one".