12121130312233 has 8 divisors (see below), whose sum is σ = 12208417583040. Its totient is φ = 12033844254480.

The previous prime is 12121130312171. The next prime is 12121130312261. The reversal of 12121130312233 is 33221303112121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121130312233 is a prime.

It is a super-2 number, since 2×12121130312233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12121130312198 and 12121130312207.

It is not an unprimeable number, because it can be changed into a prime (12121130112233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32404116 + ... + 32776042.

It is an arithmetic number, because the mean of its divisors is an integer number (1526052197880).

Almost surely, 2^{12121130312233} is an apocalyptic number.

It is an amenable number.

12121130312233 is a deficient number, since it is larger than the sum of its proper divisors (87287270807).

12121130312233 is a wasteful number, since it uses less digits than its factorization.

12121130312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606527.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12121130312233 its reverse (33221303112121), we get a palindrome (45342433424354).

The spelling of 12121130312233 in words is "twelve trillion, one hundred twenty-one billion, one hundred thirty million, three hundred twelve thousand, two hundred thirty-three".