10123287138025 has 12 divisors (see below), whose sum is σ = 12563994665500. Its totient is φ = 8091456410880.

The previous prime is 10123287138007. The next prime is 10123287138049. The reversal of 10123287138025 is 52083178232101.

10123287138025 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 6 ways, for example, as 3486331277584 + 6636955860441 = 1867172^2 + 2576229^2 .

It is not a de Polignac number, because 10123287138025 - 2⁵ = 10123287137993 is a prime.

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, 179303700 + ... + 179360149.

Almost surely, 2^{10123287138025} is an apocalyptic number.

It is an amenable number.

10123287138025 is a deficient number, since it is larger than the sum of its proper divisors (2440707527475).

10123287138025 is a wasteful number, since it uses less digits than its factorization.

10123287138025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358664988 (or 358664983 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 10123287138025 in words is "ten trillion, one hundred twenty-three billion, two hundred eighty-seven million, one hundred thirty-eight thousand, twenty-five".