12012051005200 has 240 divisors, whose sum is σ = 32459904576000. Its totient is φ = 4244864901120.

The previous prime is 12012051005197. The next prime is 12012051005299. The reversal of 12012051005200 is 250015021021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13656321 + ... + 14509279.

It is an arithmetic number, because the mean of its divisors is an integer number (135249602400).

Almost surely, 2^{12012051005200} is an apocalyptic number.

12012051005200 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 12012051005200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16229952288000).

12012051005200 is an abundant number, since it is smaller than the sum of its proper divisors (20447853570800).

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

12012051005200 is a wasteful number, since it uses less digits than its factorization.

12012051005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853122 (or 853111 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 12012051005200 its reverse (250015021021), we get a palindrome (12262066026221).

The spelling of 12012051005200 in words is "twelve trillion, twelve billion, fifty-one million, five thousand, two hundred".