12302323132221 has 12 divisors (see below), whose sum is σ = 17785931020572. Its totient is φ = 8194206269376.

The previous prime is 12302323132171. The next prime is 12302323132261. The reversal of 12302323132221 is 12223132320321.

12302323132221 is a `hidden beast` number, since 1 + 2 + 302 + 3 + 2 + 3 + 132 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5267548272996 + 7034774859225 = 2295114^2 + 2652315^2 .

It is not a de Polignac number, because 12302323132221 - 2¹³ = 12302323124029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302323132261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611863176 + ... + 611883281.

It is an arithmetic number, because the mean of its divisors is an integer number (1482160918381).

Almost surely, 2^{12302323132221} is an apocalyptic number.

It is an amenable number.

12302323132221 is a deficient number, since it is larger than the sum of its proper divisors (5483607888351).

12302323132221 is a wasteful number, since it uses less digits than its factorization.

12302323132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223747580 (or 1223747577 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12302323132221 its reverse (12223132320321), we get a palindrome (24525455452542).

The spelling of 12302323132221 in words is "twelve trillion, three hundred two billion, three hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty-one".