12510101 has 2 divisors, whose sum is σ = 12510102. Its totient is φ = 12510100.

The previous prime is 12510097. The next prime is 12510109. The reversal of 12510101 is 10101521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6507601 + 6002500 = 2551^2 + 2450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12510101 - 2² = 12510097 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12510109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255050 + 6255051.

It is an arithmetic number, because the mean of its divisors is an integer number (6255051).

Almost surely, 2^12510101 is an apocalyptic number.

It is an amenable number.

12510101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12510101 is an equidigital number, since it uses as much as digits as its factorization.

12510101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 12510101 is about 3536.9621145836. The cubic root of 12510101 is about 232.1419377681.

Adding to 12510101 its reverse (10101521), we get a palindrome (22611622).

The spelling of 12510101 in words is "twelve million, five hundred ten thousand, one hundred one".