12302211142221 has 256 divisors, whose sum is σ = 23961527869440. Its totient is φ = 5402854379520.

The previous prime is 12302211142219. The next prime is 12302211142231. The reversal of 12302211142221 is 12224111220321.

It is not a de Polignac number, because 12302211142221 - 2¹ = 12302211142219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12302211142191 and 12302211142200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302211142231) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 331425555 + ... + 331462671.

It is an arithmetic number, because the mean of its divisors is an integer number (93599718240).

Almost surely, 2^{12302211142221} is an apocalyptic number.

12302211142221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12302211142221 is a deficient number, since it is larger than the sum of its proper divisors (11659316727219).

12302211142221 is a wasteful number, since it uses less digits than its factorization.

12302211142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37364.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12302211142221 its reverse (12224111220321), we get a palindrome (24526322362542).

The spelling of 12302211142221 in words is "twelve trillion, three hundred two billion, two hundred eleven million, one hundred forty-two thousand, two hundred twenty-one".