12105020525630 has 16 divisors (see below), whose sum is σ = 21816723157200. Its totient is φ = 4835855718912.

The previous prime is 12105020525599. The next prime is 12105020525639. The reversal of 12105020525630 is 3652502050121.

12105020525630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105020525639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769053155 + ... + 769068894.

It is an arithmetic number, because the mean of its divisors is an integer number (1363545197325).

Almost surely, 2^{12105020525630} is an apocalyptic number.

12105020525630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12105020525630 is a deficient number, since it is larger than the sum of its proper divisors (9711702631570).

12105020525630 is a wasteful number, since it uses less digits than its factorization.

12105020525630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538122843.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 12105020525630 its reverse (3652502050121), we get a palindrome (15757522575751).

The spelling of 12105020525630 in words is "twelve trillion, one hundred five billion, twenty million, five hundred twenty-five thousand, six hundred thirty".