12055120411530 has 128 divisors (see below), whose sum is σ = 35012021022720. Its totient is φ = 2593257845760.

The previous prime is 12055120411471. The next prime is 12055120411531. The reversal of 12055120411530 is 3511402155021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12055120411531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102110835 + ... + 102228825.

It is an arithmetic number, because the mean of its divisors is an integer number (273531414240).

Almost surely, 2^{12055120411530} is an apocalyptic number.

12055120411530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12055120411530 is an abundant number, since it is smaller than the sum of its proper divisors (22956900611190).

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

12055120411530 is a wasteful number, since it uses less digits than its factorization.

12055120411530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146644.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 12055120411530 its reverse (3511402155021), we get a palindrome (15566522566551).

The spelling of 12055120411530 in words is "twelve trillion, fifty-five billion, one hundred twenty million, four hundred eleven thousand, five hundred thirty".