12121330202223 has 48 divisors (see below), whose sum is σ = 18298863754080. Its totient is φ = 7126500648960.

The previous prime is 12121330202221. The next prime is 12121330202227. The reversal of 12121330202223 is 32220203312121.

It is not a de Polignac number, because 12121330202223 - 2¹ = 12121330202221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121330202193 and 12121330202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121330202221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3187243 + ... + 5865251.

It is an arithmetic number, because the mean of its divisors is an integer number (381226328210).

Almost surely, 2^{12121330202223} is an apocalyptic number.

12121330202223 is a deficient number, since it is larger than the sum of its proper divisors (6177533551857).

12121330202223 is a wasteful number, since it uses less digits than its factorization.

12121330202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678408 (or 2678397 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12121330202223 its reverse (32220203312121), we get a palindrome (44341533514344).

The spelling of 12121330202223 in words is "twelve trillion, one hundred twenty-one billion, three hundred thirty million, two hundred two thousand, two hundred twenty-three".