12145145110125 has 32 divisors (see below), whose sum is σ = 20363792701824. Its totient is φ = 6427964816000.

The previous prime is 12145145110099. The next prime is 12145145110193. The reversal of 12145145110125 is 52101154154121.

It is not a de Polignac number, because 12145145110125 - 2⁸ = 12145145109869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123565584 + ... + 123663833.

It is an arithmetic number, because the mean of its divisors is an integer number (636368521932).

Almost surely, 2^{12145145110125} is an apocalyptic number.

12145145110125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12145145110125 is a deficient number, since it is larger than the sum of its proper divisors (8218647591699).

12145145110125 is a wasteful number, since it uses less digits than its factorization.

12145145110125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247229566 (or 247229556 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 33.

Adding to 12145145110125 its reverse (52101154154121), we get a palindrome (64246299264246).

The spelling of 12145145110125 in words is "twelve trillion, one hundred forty-five billion, one hundred forty-five million, one hundred ten thousand, one hundred twenty-five".