12125353120463 has 32 divisors (see below), whose sum is σ = 13662885772800. Its totient is φ = 10663866864000.

The previous prime is 12125353120429. The next prime is 12125353120469. The reversal of 12125353120463 is 36402135352121.

It is a cyclic number.

It is not a de Polignac number, because 12125353120463 - 2²⁶ = 12125286011599 is a prime.

It is a super-2 number, since 2×12125353120463² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125353120469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88470713 + ... + 88607661.

It is an arithmetic number, because the mean of its divisors is an integer number (426965180400).

Almost surely, 2^{12125353120463} is an apocalyptic number.

12125353120463 is a deficient number, since it is larger than the sum of its proper divisors (1537532652337).

12125353120463 is a wasteful number, since it uses less digits than its factorization.

12125353120463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138239.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 12125353120463 its reverse (36402135352121), we get a palindrome (48527488472584).

The spelling of 12125353120463 in words is "twelve trillion, one hundred twenty-five billion, three hundred fifty-three million, one hundred twenty thousand, four hundred sixty-three".