12011221010210 has 8 divisors (see below), whose sum is σ = 21620197818396. Its totient is φ = 4804488404080.

The previous prime is 12011221010161. The next prime is 12011221010219. The reversal of 12011221010210 is 1201012211021.

12011221010210 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 12009808077289 + 1412932921 = 3465517^2 + 37589^2 .

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

It is a super-2 number, since 2×12011221010210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011221010219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600561050501 + ... + 600561050520.

Almost surely, 2^{12011221010210} is an apocalyptic number.

12011221010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011221010210 is a deficient number, since it is larger than the sum of its proper divisors (9608976808186).

12011221010210 is a wasteful number, since it uses less digits than its factorization.

12011221010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201122101028.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011221010210 its reverse (1201012211021), we get a palindrome (13212233221231).

The spelling of 12011221010210 in words is "twelve trillion, eleven billion, two hundred twenty-one million, ten thousand, two hundred ten".