10122521125 has 8 divisors (see below), whose sum is σ = 12632906520. Its totient is φ = 8098016800.

The previous prime is 10122521093. The next prime is 10122521131. The reversal of 10122521125 is 52112522101.

It is a happy number.

10122521125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 199572129 + 9922948996 = 14127^2 + 99614^2 .

It is not a de Polignac number, because 10122521125 - 2⁵ = 10122521093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10122521096 and 10122521105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40489960 + ... + 40490209.

It is an arithmetic number, because the mean of its divisors is an integer number (1579113315).

Almost surely, 2^10122521125 is an apocalyptic number.

It is an amenable number.

10122521125 is a deficient number, since it is larger than the sum of its proper divisors (2510385395).

10122521125 is an frugal number, since it uses more digits than its factorization.

10122521125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80980184 (or 80980174 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 10122521125 in words is "ten billion, one hundred twenty-two million, five hundred twenty-one thousand, one hundred twenty-five".