12011212112130 has 384 divisors, whose sum is σ = 40213524529152. Its totient is φ = 2413972800000.

The previous prime is 12011212112093. The next prime is 12011212112149. The reversal of 12011212112130 is 3121121211021.

It is a happy number.

12011212112130 is a `hidden beast` number, since 1 + 201 + 121 + 211 + 2 + 130 = 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 408377125 + ... + 408406535.

It is an arithmetic number, because the mean of its divisors is an integer number (104722720128).

Almost surely, 2^{12011212112130} is an apocalyptic number.

12011212112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011212112130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20106762264576).

12011212112130 is an abundant number, since it is smaller than the sum of its proper divisors (28202312417022).

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

12011212112130 is a wasteful number, since it uses less digits than its factorization.

12011212112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31374 (or 31371 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12011212112130 its reverse (3121121211021), we get a palindrome (15132333323151).

The spelling of 12011212112130 in words is "twelve trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty".