12124421044 has 12 divisors (see below), whose sum is σ = 21232016064. Its totient is φ = 6058130744.

The previous prime is 12124421011. The next prime is 12124421053. The reversal of 12124421044 is 44012442121.

It is a happy number.

It is a congruent number.

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, 1013254 + ... + 1025149.

It is an arithmetic number, because the mean of its divisors is an integer number (1769334672).

Almost surely, 2^12124421044 is an apocalyptic number.

It is an amenable number.

12124421044 is a deficient number, since it is larger than the sum of its proper divisors (9107595020).

12124421044 is a wasteful number, since it uses less digits than its factorization.

12124421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039894 (or 2039892 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12124421044 its reverse (44012442121), we get a palindrome (56136863165).

The spelling of 12124421044 in words is "twelve billion, one hundred twenty-four million, four hundred twenty-one thousand, forty-four".