12201221212010 has 8 divisors (see below), whose sum is σ = 21962198181636. Its totient is φ = 4880488484800.

The previous prime is 12201221211997. The next prime is 12201221212021. The reversal of 12201221212010 is 1021212210221.

12201221212010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11944979734801 + 256241477209 = 3456151^2 + 506203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12201221212010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610061060591 + ... + 610061060610.

Almost surely, 2^{12201221212010} is an apocalyptic number.

12201221212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201221212010 is a deficient number, since it is larger than the sum of its proper divisors (9760976969626).

12201221212010 is a wasteful number, since it uses less digits than its factorization.

12201221212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220122121208.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12201221212010 its reverse (1021212210221), we get a palindrome (13222433422231).

The spelling of 12201221212010 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred twelve thousand, ten".