12112212003 has 8 divisors (see below), whose sum is σ = 17099593488. Its totient is φ = 7599819264.

The previous prime is 12112211989. The next prime is 12112212043. The reversal of 12112212003 is 30021221121.

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

It is not a de Polignac number, because 12112212003 - 2¹² = 12112207907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112212043) 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, 118747126 + ... + 118747227.

It is an arithmetic number, because the mean of its divisors is an integer number (2137449186).

Almost surely, 2^12112212003 is an apocalyptic number.

12112212003 is a deficient number, since it is larger than the sum of its proper divisors (4987381485).

12112212003 is a wasteful number, since it uses less digits than its factorization.

12112212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237494373.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12112212003 its reverse (30021221121), we get a palindrome (42133433124).

It can be divided in two parts, 12112 and 212003, that added together give a triangular number (224115 = T₆₆₉).

The spelling of 12112212003 in words is "twelve billion, one hundred twelve million, two hundred twelve thousand, three".