12011321323323 has 24 divisors (see below), whose sum is σ = 19828376974848. Its totient is φ = 6863555416752.

The previous prime is 12011321323297. The next prime is 12011321323327. The reversal of 12011321323323 is 32332312311021.

12011321323323 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 1 + 321 + 3 + 2 + 332 + 3 = 666.

It is not a de Polignac number, because 12011321323323 - 2⁶ = 12011321323259 is a prime.

It is a super-2 number, since 2×12011321323323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011321323327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7590190 + ... + 9035132.

It is an arithmetic number, because the mean of its divisors is an integer number (826182373952).

Almost surely, 2^{12011321323323} is an apocalyptic number.

12011321323323 is a deficient number, since it is larger than the sum of its proper divisors (7817055651525).

12011321323323 is a wasteful number, since it uses less digits than its factorization.

12011321323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576903 (or 1576900 counting only the distinct ones).

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

Adding to 12011321323323 its reverse (32332312311021), we get a palindrome (44343633634344).

The spelling of 12011321323323 in words is "twelve trillion, eleven billion, three hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-three".