12211130023 has 4 divisors (see below), whose sum is σ = 12304344888. Its totient is φ = 12117915160.

The previous prime is 12211130011. The next prime is 12211130089. The reversal of 12211130023 is 32003111221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211130023 is a prime.

It is a super-2 number, since 2×12211130023² (a number of 21 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 = 12211129979 and 12211130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211130003) 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, 46607236 + ... + 46607497.

It is an arithmetic number, because the mean of its divisors is an integer number (3076086222).

Almost surely, 2^12211130023 is an apocalyptic number.

12211130023 is a deficient number, since it is larger than the sum of its proper divisors (93214865).

12211130023 is an equidigital number, since it uses as much as digits as its factorization.

12211130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93214864.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12211130023 its reverse (32003111221), we get a palindrome (44214241244).

The spelling of 12211130023 in words is "twelve billion, two hundred eleven million, one hundred thirty thousand, twenty-three".