12125243120002 has 4 divisors (see below), whose sum is σ = 18187864680006. Its totient is φ = 6062621560000.

The previous prime is 12125243119999. The next prime is 12125243120027. The reversal of 12125243120002 is 20002134252121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6860737728601 + 5264505391401 = 2619301^2 + 2294451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3031310779999 + ... + 3031310780002.

Almost surely, 2^{12125243120002} is an apocalyptic number.

12125243120002 is a deficient number, since it is larger than the sum of its proper divisors (6062621560004).

12125243120002 is an equidigital number, since it uses as much as digits as its factorization.

12125243120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062621560003.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12125243120002 its reverse (20002134252121), we get a palindrome (32127377372123).

The spelling of 12125243120002 in words is "twelve trillion, one hundred twenty-five billion, two hundred forty-three million, one hundred twenty thousand, two".