12123212313033 has 12 divisors (see below), whose sum is σ = 17644980772848. Its totient is φ = 8020445804280.

The previous prime is 12123212312903. The next prime is 12123212313049. The reversal of 12123212313033 is 33031321232121.

12123212313033 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 321 + 2 + 31 + 303 + 3 = 666.

12123212313033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12123212313033 - 2²⁰ = 12123211264457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123212312988 and 12123212313006.

It is not an unprimeable number, because it can be changed into a prime (12123212313133) 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, 5141310235 + ... + 5141312592.

It is an arithmetic number, because the mean of its divisors is an integer number (1470415064404).

Almost surely, 2^{12123212313033} is an apocalyptic number.

It is an amenable number.

12123212313033 is a deficient number, since it is larger than the sum of its proper divisors (5521768459815).

12123212313033 is a wasteful number, since it uses less digits than its factorization.

12123212313033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282622964 (or 10282622961 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12123212313033 its reverse (33031321232121), we get a palindrome (45154533545154).

The spelling of 12123212313033 in words is "twelve trillion, one hundred twenty-three billion, two hundred twelve million, three hundred thirteen thousand, thirty-three".