12124454045 has 16 divisors (see below), whose sum is σ = 15893718912. Its totient is φ = 8805725760.

The previous prime is 12124454033. The next prime is 12124454063. The reversal of 12124454045 is 54045442121.

It is a de Polignac number, because none of the positive numbers 2^k-12124454045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110057 + ... + 190686.

It is an arithmetic number, because the mean of its divisors is an integer number (993357432).

Almost surely, 2^12124454045 is an apocalyptic number.

It is an amenable number.

12124454045 is a deficient number, since it is larger than the sum of its proper divisors (3769264867).

12124454045 is a wasteful number, since it uses less digits than its factorization.

12124454045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301492.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 12124454045 its reverse (54045442121), we get a palindrome (66169896166).

The spelling of 12124454045 in words is "twelve billion, one hundred twenty-four million, four hundred fifty-four thousand, forty-five".