10212242125 has 16 divisors (see below), whose sum is σ = 13494579696. Its totient is φ = 7689216000.

The previous prime is 10212242123. The next prime is 10212242137. The reversal of 10212242125 is 52124221201.

It can be written as a sum of positive squares in 8 ways, for example, as 294671556 + 9917570569 = 17166^2 + 99587^2 .

It is not a de Polignac number, because 10212242125 - 2¹ = 10212242123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212242096 and 10212242105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212242123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400756 + ... + 2405005.

It is an arithmetic number, because the mean of its divisors is an integer number (843411231).

Almost surely, 2^10212242125 is an apocalyptic number.

It is an amenable number.

10212242125 is a deficient number, since it is larger than the sum of its proper divisors (3282337571).

10212242125 is an equidigital number, since it uses as much as digits as its factorization.

10212242125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805793 (or 4805783 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 10212242125 its reverse (52124221201), we get a palindrome (62336463326).

The spelling of 10212242125 in words is "ten billion, two hundred twelve million, two hundred forty-two thousand, one hundred twenty-five".