12123241444 has 12 divisors (see below), whose sum is σ = 21454051500. Its totient is φ = 5993512448.

The previous prime is 12123241411. The next prime is 12123241453. The reversal of 12123241444 is 44414232121.

It can be written as a sum of positive squares in 2 ways, for example, as 1727399844 + 10395841600 = 41562^2 + 101960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17026669 + ... + 17027380.

It is an arithmetic number, because the mean of its divisors is an integer number (1787837625).

Almost surely, 2^12123241444 is an apocalyptic number.

It is an amenable number.

12123241444 is a deficient number, since it is larger than the sum of its proper divisors (9330810056).

12123241444 is a wasteful number, since it uses less digits than its factorization.

12123241444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34054142 (or 34054140 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 12123241444 its reverse (44414232121), we get a palindrome (56537473565).

The spelling of 12123241444 in words is "twelve billion, one hundred twenty-three million, two hundred forty-one thousand, four hundred forty-four".