12130555635 has 192 divisors, whose sum is σ = 24551594496. Its totient is φ = 5486745600.

The previous prime is 12130555621. The next prime is 12130555639. The reversal of 12130555635 is 53655503121.

12130555635 is a `hidden beast` number, since 1 + 2 + 13 + 0 + 5 + 5 + 5 + 635 = 666.

It is not a de Polignac number, because 12130555635 - 2⁸ = 12130555379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12130555635.

It is not an unprimeable number, because it can be changed into a prime (12130555639) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57490680 + ... + 57490890.

It is an arithmetic number, because the mean of its divisors is an integer number (127872888).

Almost surely, 2^12130555635 is an apocalyptic number.

12130555635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12130555635 is an abundant number, since it is smaller than the sum of its proper divisors (12421038861).

12130555635 is a wasteful number, since it uses less digits than its factorization.

12130555635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

It can be divided in two parts, 12130 and 555635, that added together give a palindrome (567765).

The spelling of 12130555635 in words is "twelve billion, one hundred thirty million, five hundred fifty-five thousand, six hundred thirty-five".