20121010232223 has 8 divisors (see below), whose sum is σ = 27205872990336. Its totient is φ = 13225077147800.

The previous prime is 20121010232149. The next prime is 20121010232227. The reversal of 20121010232223 is 32223201012102.

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 20121010232223 - 2⁹ = 20121010231711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20121010232223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121010232227) 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, 47232418173 + ... + 47232418598.

It is an arithmetic number, because the mean of its divisors is an integer number (3400734123792).

Almost surely, 2^{20121010232223} is an apocalyptic number.

20121010232223 is a deficient number, since it is larger than the sum of its proper divisors (7084862758113).

20121010232223 is an equidigital number, since it uses as much as digits as its factorization.

20121010232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94464836845.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20121010232223 its reverse (32223201012102), we get a palindrome (52344211244325).

The spelling of 20121010232223 in words is "twenty trillion, one hundred twenty-one billion, ten million, two hundred thirty-two thousand, two hundred twenty-three".