12011121203130 has 48 divisors (see below), whose sum is σ = 35690188719744. Its totient is φ = 2745399132000.

The previous prime is 12011121203129. The next prime is 12011121203183. The reversal of 12011121203130 is 3130212111021.

12011121203130 is a `hidden beast` number, since 120 + 1 + 112 + 120 + 313 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 9532635246 + ... + 9532636505.

It is an arithmetic number, because the mean of its divisors is an integer number (743545598328).

Almost surely, 2^{12011121203130} is an apocalyptic number.

12011121203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011121203130 is an abundant number, since it is smaller than the sum of its proper divisors (23679067516614).

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

12011121203130 is a wasteful number, since it uses less digits than its factorization.

12011121203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19065271771 (or 19065271768 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12011121203130 its reverse (3130212111021), we get a palindrome (15141333314151).

The spelling of 12011121203130 in words is "twelve trillion, eleven billion, one hundred twenty-one million, two hundred three thousand, one hundred thirty".