12021330110231 has 16 divisors (see below), whose sum is σ = 13944335475840. Its totient is φ = 10268101559520.

The previous prime is 12021330110227. The next prime is 12021330110311. The reversal of 12021330110231 is 13201103312021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12021330110231 - 2² = 12021330110227 is a prime.

It is a super-2 number, since 2×12021330110231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021330110221) 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, 565912085 + ... + 565933326.

It is an arithmetic number, because the mean of its divisors is an integer number (871520967240).

Almost surely, 2^{12021330110231} is an apocalyptic number.

12021330110231 is a deficient number, since it is larger than the sum of its proper divisors (1923005365609).

12021330110231 is a wasteful number, since it uses less digits than its factorization.

12021330110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131845486.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12021330110231 its reverse (13201103312021), we get a palindrome (25222433422252).

The spelling of 12021330110231 in words is "twelve trillion, twenty-one billion, three hundred thirty million, one hundred ten thousand, two hundred thirty-one".