10243215121125 has 128 divisors (see below), whose sum is σ = 19726145187840. Its totient is φ = 4623431059200.

The previous prime is 10243215121123. The next prime is 10243215121129. The reversal of 10243215121125 is 52112151234201.

It is not a de Polignac number, because 10243215121125 - 2¹ = 10243215121123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10243215121092 and 10243215121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243215121123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 389329471 + ... + 389355779.

It is an arithmetic number, because the mean of its divisors is an integer number (154110509280).

Almost surely, 2^{10243215121125} is an apocalyptic number.

10243215121125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10243215121125 is a deficient number, since it is larger than the sum of its proper divisors (9482930066715).

10243215121125 is a wasteful number, since it uses less digits than its factorization.

10243215121125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28204 (or 28194 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 10243215121125 its reverse (52112151234201), we get a palindrome (62355366355326).

The spelling of 10243215121125 in words is "ten trillion, two hundred forty-three billion, two hundred fifteen million, one hundred twenty-one thousand, one hundred twenty-five".