12201025 has 12 divisors (see below), whose sum is σ = 15651900. Its totient is φ = 9423680.

The previous prime is 12200989. The next prime is 12201041. The reversal of 12201025 is 52010221.

It can be written as a sum of positive squares in 6 ways, for example, as 2322576 + 9878449 = 1524^2 + 3143^2 .

It is not a de Polignac number, because 12201025 - 2⁷ = 12200897 is a prime.

It is a super-2 number, since 2×12201025² = 297730022101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200996 and 12201014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7690 + ... + 9139.

It is an arithmetic number, because the mean of its divisors is an integer number (1304325).

Almost surely, 2^12201025 is an apocalyptic number.

It is an amenable number.

12201025 is a deficient number, since it is larger than the sum of its proper divisors (3450875).

12201025 is a wasteful number, since it uses less digits than its factorization.

12201025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868 (or 16863 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12201025 is about 3492.9965645560. The cubic root of 12201025 is about 230.2141986908.

Adding to 12201025 its reverse (52010221), we get a palindrome (64211246).

The spelling of 12201025 in words is "twelve million, two hundred one thousand, twenty-five".