12011112201000 has 512 divisors, whose sum is σ = 41124905902080. Its totient is φ = 2894500224000.

The previous prime is 12011112200947. The next prime is 12011112201001. The reversal of 12011112201000 is 10221111021.

12011112201000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12011112201000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12011112201001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4476745659 + ... + 4476748341.

It is an arithmetic number, because the mean of its divisors is an integer number (80322081840).

Almost surely, 2^{12011112201000} is an apocalyptic number.

12011112201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011112201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20562452951040).

12011112201000 is an abundant number, since it is smaller than the sum of its proper divisors (29113793701080).

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

12011112201000 is a wasteful number, since it uses less digits than its factorization.

12011112201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011112201000 its reverse (10221111021), we get a palindrome (12021333312021).

The spelling of 12011112201000 in words is "twelve trillion, eleven billion, one hundred twelve million, two hundred one thousand".