12021123331323 has 16 divisors (see below), whose sum is σ = 17851575369600. Its totient is φ = 7994955525480.

The previous prime is 12021123331277. The next prime is 12021123331339. The reversal of 12021123331323 is 32313332112021.

12021123331323 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 1 + 2 + 3 + 331 + 323 = 666.

It is not a de Polignac number, because 12021123331323 - 2²⁶ = 12021056222459 is a prime.

It is a super-2 number, since 2×12021123331323² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12021123321323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531285573 + ... + 531308198.

It is an arithmetic number, because the mean of its divisors is an integer number (1115723460600).

Almost surely, 2^{12021123331323} is an apocalyptic number.

12021123331323 is a deficient number, since it is larger than the sum of its proper divisors (5830452038277).

12021123331323 is a wasteful number, since it uses less digits than its factorization.

12021123331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062594199 (or 1062594193 counting only the distinct ones).

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

Adding to 12021123331323 its reverse (32313332112021), we get a palindrome (44334455443344).

The spelling of 12021123331323 in words is "twelve trillion, twenty-one billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred twenty-three".