12025216503121 has 16 divisors (see below), whose sum is σ = 12315402711040. Its totient is φ = 11735511575760.

The previous prime is 12025216503107. The next prime is 12025216503137. The reversal of 12025216503121 is 12130561252021.

It is a cyclic number.

It is not a de Polignac number, because 12025216503121 - 2⁷ = 12025216502993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12025216503161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588566776 + ... + 588587206.

It is an arithmetic number, because the mean of its divisors is an integer number (769712669440).

Almost surely, 2^{12025216503121} is an apocalyptic number.

It is an amenable number.

12025216503121 is a deficient number, since it is larger than the sum of its proper divisors (290186207919).

12025216503121 is a wasteful number, since it uses less digits than its factorization.

12025216503121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31516.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 12025216503121 its reverse (12130561252021), we get a palindrome (24155777755142).

The spelling of 12025216503121 in words is "twelve trillion, twenty-five billion, two hundred sixteen million, five hundred three thousand, one hundred twenty-one".