12021132303331 has 4 divisors (see below), whose sum is σ = 12022667773200. Its totient is φ = 12019596833464.

The previous prime is 12021132303293. The next prime is 12021132303337. The reversal of 12021132303331 is 13330323112021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12021132303331 - 2⁷ = 12021132303203 is a prime.

It is a super-2 number, since 2×12021132303331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021132303296 and 12021132303305.

It is not an unprimeable number, because it can be changed into a prime (12021132303337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767723191 + ... + 767738848.

It is an arithmetic number, because the mean of its divisors is an integer number (3005666943300).

Almost surely, 2^{12021132303331} is an apocalyptic number.

12021132303331 is a deficient number, since it is larger than the sum of its proper divisors (1535469869).

12021132303331 is an equidigital number, since it uses as much as digits as its factorization.

12021132303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535469868.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12021132303331 its reverse (13330323112021), we get a palindrome (25351455415352).

The spelling of 12021132303331 in words is "twelve trillion, twenty-one billion, one hundred thirty-two million, three hundred three thousand, three hundred thirty-one".