12044155125 has 32 divisors (see below), whose sum is σ = 20053313280. Its totient is φ = 6419755200.

The previous prime is 12044155111. The next prime is 12044155127. The reversal of 12044155125 is 52155144021.

It is not a de Polignac number, because 12044155125 - 2⁸ = 12044154869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12044155092 and 12044155101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044155127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696079 + ... + 713171.

It is an arithmetic number, because the mean of its divisors is an integer number (626666040).

Almost surely, 2^12044155125 is an apocalyptic number.

12044155125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12044155125 is a deficient number, since it is larger than the sum of its proper divisors (8009158155).

12044155125 is a wasteful number, since it uses less digits than its factorization.

12044155125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18990 (or 18980 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 12044155125 its reverse (52155144021), we get a palindrome (64199299146).

The spelling of 12044155125 in words is "twelve billion, forty-four million, one hundred fifty-five thousand, one hundred twenty-five".