2112230145025 has 72 divisors (see below), whose sum is σ = 3535964380224. Its totient is φ = 1215428947200.

The previous prime is 2112230145023. The next prime is 2112230145031. The reversal of 2112230145025 is 5205410322112.

It is a happy number.

It is not a de Polignac number, because 2112230145025 - 2¹ = 2112230145023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112230144984 and 2112230145002.

It is not an unprimeable number, because it can be changed into a prime (2112230145023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2921014 + ... + 3571663.

It is an arithmetic number, because the mean of its divisors is an integer number (49110616392).

Almost surely, 2^{2112230145025} is an apocalyptic number.

2112230145025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112230145025 is a deficient number, since it is larger than the sum of its proper divisors (1423734235199).

2112230145025 is a wasteful number, since it uses less digits than its factorization.

2112230145025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492731 (or 6492713 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2112230145025 its reverse (5205410322112), we get a palindrome (7317640467137).

The spelling of 2112230145025 in words is "two trillion, one hundred twelve billion, two hundred thirty million, one hundred forty-five thousand, twenty-five".