12012212025 has 72 divisors (see below), whose sum is σ = 23650941600. Its totient is φ = 5779488000.

The previous prime is 12012212011. The next prime is 12012212027. The reversal of 12012212025 is 52021221021.

It is not a de Polignac number, because 12012212025 - 2⁶ = 12012211961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012211989 and 12012212007.

It is not an unprimeable number, because it can be changed into a prime (12012212027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 305701 + ... + 342749.

It is an arithmetic number, because the mean of its divisors is an integer number (328485300).

Almost surely, 2^12012212025 is an apocalyptic number.

12012212025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12012212025 is a deficient number, since it is larger than the sum of its proper divisors (11638729575).

12012212025 is a wasteful number, since it uses less digits than its factorization.

12012212025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37207 (or 37199 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 12012212025 its reverse (52021221021), we get a palindrome (64033433046).

The spelling of 12012212025 in words is "twelve billion, twelve million, two hundred twelve thousand, twenty-five".