12122025 has 12 divisors (see below), whose sum is σ = 20041872. Its totient is φ = 6465040.

The previous prime is 12122021. The next prime is 12122039. The reversal of 12122025 is 52022121.

It is not a de Polignac number, because 12122025 - 2² = 12122021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 12121995 and 12122013.

It is not an unprimeable number, because it can be changed into a prime (12122021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80739 + ... + 80888.

It is an arithmetic number, because the mean of its divisors is an integer number (1670156).

Almost surely, 2^12122025 is an apocalyptic number.

12122025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12122025 is a deficient number, since it is larger than the sum of its proper divisors (7919847).

12122025 is a wasteful number, since it uses less digits than its factorization.

12122025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161640 (or 161635 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12122025 is about 3481.6698579848. The cubic root of 12122025 is about 229.7162537467.

Adding to 12122025 its reverse (52022121), we get a palindrome (64144146).

The spelling of 12122025 in words is "twelve million, one hundred twenty-two thousand, twenty-five".