12321345361401 has 36 divisors (see below), whose sum is σ = 18640660641876. Its totient is φ = 7842007430400.

The previous prime is 12321345361399. The next prime is 12321345361421. The reversal of 12321345361401 is 10416354312321.

12321345361401 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 1 + 34 + 5 + 3 + 614 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3608104049001 + 8713241312400 = 1899501^2 + 2951820^2 .

It is not a de Polignac number, because 12321345361401 - 2¹ = 12321345361399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321345361421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3180 + ... + 4964141.

It is an arithmetic number, because the mean of its divisors is an integer number (517796128941).

Almost surely, 2^{12321345361401} is an apocalyptic number.

It is an amenable number.

12321345361401 is a deficient number, since it is larger than the sum of its proper divisors (6319315280475).

12321345361401 is a wasteful number, since it uses less digits than its factorization.

12321345361401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967894 (or 4967868 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 12321345361401 its reverse (10416354312321), we get a palindrome (22737699673722).

The spelling of 12321345361401 in words is "twelve trillion, three hundred twenty-one billion, three hundred forty-five million, three hundred sixty-one thousand, four hundred one".