12121303323 has 32 divisors (see below), whose sum is σ = 16658737920. Its totient is φ = 7837240320.

The previous prime is 12121303279. The next prime is 12121303339. The reversal of 12121303323 is 32330312121.

It is not a de Polignac number, because 12121303323 - 2¹⁷ = 12121172251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121303323.

It is not an unprimeable number, because it can be changed into a prime (12121303343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3239988 + ... + 3243726.

It is an arithmetic number, because the mean of its divisors is an integer number (520585560).

Almost surely, 2^12121303323 is an apocalyptic number.

12121303323 is a deficient number, since it is larger than the sum of its proper divisors (4537434597).

12121303323 is a wasteful number, since it uses less digits than its factorization.

12121303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12121303323 its reverse (32330312121), we get a palindrome (44451615444).

The spelling of 12121303323 in words is "twelve billion, one hundred twenty-one million, three hundred three thousand, three hundred twenty-three".