12112223207 has 8 divisors (see below), whose sum is σ = 13861431456. Its totient is φ = 10367737632.

The previous prime is 12112223147. The next prime is 12112223209. The reversal of 12112223207 is 70232221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12112223207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112223209) 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, 1175168 + ... + 1185429.

It is an arithmetic number, because the mean of its divisors is an integer number (1732678932).

Almost surely, 2^12112223207 is an apocalyptic number.

12112223207 is a deficient number, since it is larger than the sum of its proper divisors (1749208249).

12112223207 is an equidigital number, since it uses as much as digits as its factorization.

12112223207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361337.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12112223207 its reverse (70232221121), we get a palindrome (82344444328).

The spelling of 12112223207 in words is "twelve billion, one hundred twelve million, two hundred twenty-three thousand, two hundred seven".