102412205 has 12 divisors (see below), whose sum is σ = 142959420. Its totient is φ = 70225344.

The previous prime is 102412183. The next prime is 102412207. The reversal of 102412205 is 502214201.

It can be written as a sum of positive squares in 2 ways, for example, as 47251876 + 55160329 = 6874^2 + 7427^2 .

It is not a de Polignac number, because 102412205 - 2¹² = 102408109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102412207) 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, 208760 + ... + 209249.

It is an arithmetic number, because the mean of its divisors is an integer number (11913285).

Almost surely, 2^102412205 is an apocalyptic number.

It is an amenable number.

102412205 is a deficient number, since it is larger than the sum of its proper divisors (40547215).

102412205 is an equidigital number, since it uses as much as digits as its factorization.

102412205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418028 (or 418021 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102412205 is about 10119.8915508023. The cubic root of 102412205 is about 467.8614246863.

Adding to 102412205 its reverse (502214201), we get a palindrome (604626406).

The spelling of 102412205 in words is "one hundred two million, four hundred twelve thousand, two hundred five".