12112442446 has 16 divisors (see below), whose sum is σ = 19620770400. Its totient is φ = 5574781728.

The previous prime is 12112442443. The next prime is 12112442471. The reversal of 12112442446 is 64424421121.

It is a super-2 number, since 2×12112442446² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112442443) 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, 639501 + ... + 658168.

It is an arithmetic number, because the mean of its divisors is an integer number (1226298150).

Almost surely, 2^12112442446 is an apocalyptic number.

12112442446 is a deficient number, since it is larger than the sum of its proper divisors (7508327954).

12112442446 is a wasteful number, since it uses less digits than its factorization.

12112442446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298043.

The product of its digits is 12288, while the sum is 31.

Adding to 12112442446 its reverse (64424421121), we get a palindrome (76536863567).

The spelling of 12112442446 in words is "twelve billion, one hundred twelve million, four hundred forty-two thousand, four hundred forty-six".