12123333122021 has 8 divisors (see below), whose sum is σ = 13234709373600. Its totient is φ = 11013499380240.

The previous prime is 12123333121993. The next prime is 12123333122071. The reversal of 12123333122021 is 12022133332121.

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

It is a cyclic number.

It is not a de Polignac number, because 12123333122021 - 2³⁰ = 12122259380197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123333122071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385611011 + ... + 385642448.

It is an arithmetic number, because the mean of its divisors is an integer number (1654338671700).

Almost surely, 2^{12123333122021} is an apocalyptic number.

12123333122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12123333122021 is a deficient number, since it is larger than the sum of its proper divisors (1111376251579).

12123333122021 is a wasteful number, since it uses less digits than its factorization.

12123333122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771254899.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12123333122021 its reverse (12022133332121), we get a palindrome (24145466454142).

The spelling of 12123333122021 in words is "twelve trillion, one hundred twenty-three billion, three hundred thirty-three million, one hundred twenty-two thousand, twenty-one".