12012000220212 has 24 divisors (see below), whose sum is σ = 28028615647200. Its totient is φ = 4003912197216.

The previous prime is 12012000220193. The next prime is 12012000220223. The reversal of 12012000220212 is 21202200021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012000220191 and 12012000220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10413787 + ... + 11509602.

It is an arithmetic number, because the mean of its divisors is an integer number (1167858985300).

Almost surely, 2^{12012000220212} is an apocalyptic number.

12012000220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012000220212 is an abundant number, since it is smaller than the sum of its proper divisors (16016615426988).

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

12012000220212 is a wasteful number, since it uses less digits than its factorization.

12012000220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21969055 (or 21969053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12012000220212 its reverse (21202200021021), we get a palindrome (33214200241233).

The spelling of 12012000220212 in words is "twelve trillion, twelve billion, two hundred twenty thousand, two hundred twelve".