12020130535320 has 96 divisors (see below), whose sum is σ = 39559923374400. Its totient is φ = 3164793854976.

The previous prime is 12020130535253. The next prime is 12020130535349. The reversal of 12020130535320 is 2353503102021.

It is a happy number.

12020130535320 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 0 + 1 + 305 + 35 + 320 = 666.

It is a super-2 number, since 2×12020130535320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211295937 + ... + 211352816.

It is an arithmetic number, because the mean of its divisors is an integer number (412082535150).

Almost surely, 2^{12020130535320} is an apocalyptic number.

12020130535320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020130535320 is an abundant number, since it is smaller than the sum of its proper divisors (27539792839080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020130535320 is a wasteful number, since it uses less digits than its factorization.

12020130535320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422648849 (or 422648842 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12020130535320 its reverse (2353503102021), we get a palindrome (14373633637341).

The spelling of 12020130535320 in words is "twelve trillion, twenty billion, one hundred thirty million, five hundred thirty-five thousand, three hundred twenty".