12032122021 has 8 divisors (see below), whose sum is σ = 12156537888. Its totient is φ = 11907810000.

The previous prime is 12032121967. The next prime is 12032122027. The reversal of 12032122021 is 12022123021.

It is a happy number.

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 12032122021 - 2¹³ = 12032113829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032121986 and 12032122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032122027) 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, 218806 + ... + 268216.

It is an arithmetic number, because the mean of its divisors is an integer number (1519567236).

Almost surely, 2^12032122021 is an apocalyptic number.

It is an amenable number.

12032122021 is a deficient number, since it is larger than the sum of its proper divisors (124415867).

12032122021 is a wasteful number, since it uses less digits than its factorization.

12032122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51923.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12032122021 its reverse (12022123021), we get a palindrome (24054245042).

The spelling of 12032122021 in words is "twelve billion, thirty-two million, one hundred twenty-two thousand, twenty-one".