12100220330231 has 18 divisors (see below), whose sum is σ = 13903655888640. Its totient is φ = 10521930666280.

The previous prime is 12100220330227. The next prime is 12100220330257. The reversal of 12100220330231 is 13203302200121.

It is not a de Polignac number, because 12100220330231 - 2² = 12100220330227 is a prime.

It is a super-3 number, since 3×12100220330231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100220330291) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94455671 + ... + 94583688.

Almost surely, 2^{12100220330231} is an apocalyptic number.

12100220330231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12100220330231 is a deficient number, since it is larger than the sum of its proper divisors (1803435558409).

12100220330231 is a wasteful number, since it uses less digits than its factorization.

12100220330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189039427 (or 189039393 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12100220330231 its reverse (13203302200121), we get a palindrome (25303522530352).

The spelling of 12100220330231 in words is "twelve trillion, one hundred billion, two hundred twenty million, three hundred thirty thousand, two hundred thirty-one".