12019000025 has 12 divisors (see below), whose sum is σ = 14906096172. Its totient is φ = 9613563840.

The previous prime is 12018999997. The next prime is 12019000027. The reversal of 12019000025 is 52000091021.

12019000025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1488956569 + 10530043456 = 38587^2 + 102616^2 .

It is not a de Polignac number, because 12019000025 - 2¹⁸ = 12018737881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12018999970 and 12019000006.

It is not an unprimeable number, because it can be changed into a prime (12019000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121607 + ... + 197043.

It is an arithmetic number, because the mean of its divisors is an integer number (1242174681).

Almost surely, 2^12019000025 is an apocalyptic number.

It is an amenable number.

12019000025 is a deficient number, since it is larger than the sum of its proper divisors (2887096147).

12019000025 is an equidigital number, since it uses as much as digits as its factorization.

12019000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81820 (or 81815 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 12019000025 its reverse (52000091021), we get a palindrome (64019091046).

The spelling of 12019000025 in words is "twelve billion, nineteen million, twenty-five", and thus it is an aban number and an uban number.