12145410100225 has 48 divisors (see below), whose sum is σ = 15453055316160. Its totient is φ = 9466402176000.

The previous prime is 12145410100223. The next prime is 12145410100237. The reversal of 12145410100225 is 52200101454121.

It is not a de Polignac number, because 12145410100225 - 2¹ = 12145410100223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12145410100193 and 12145410100202.

It is not an unprimeable number, because it can be changed into a prime (12145410100223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170673102 + ... + 170744248.

It is an arithmetic number, because the mean of its divisors is an integer number (321938652420).

Almost surely, 2^{12145410100225} is an apocalyptic number.

It is an amenable number.

12145410100225 is a deficient number, since it is larger than the sum of its proper divisors (3307645215935).

12145410100225 is a wasteful number, since it uses less digits than its factorization.

12145410100225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72370 (or 72365 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 12145410100225 its reverse (52200101454121), we get a palindrome (64345511554346).

The spelling of 12145410100225 in words is "twelve trillion, one hundred forty-five billion, four hundred ten million, one hundred thousand, two hundred twenty-five".