12211010112210 has 256 divisors, whose sum is σ = 37163504222208. Its totient is φ = 2498690073600.

The previous prime is 12211010112199. The next prime is 12211010112239. The reversal of 12211010112210 is 1221101011221.

It is a happy number.

12211010112210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211010112210.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31219755 + ... + 31608465.

It is an arithmetic number, because the mean of its divisors is an integer number (145169938368).

Almost surely, 2^{12211010112210} is an apocalyptic number.

12211010112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211010112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18581752111104).

12211010112210 is an abundant number, since it is smaller than the sum of its proper divisors (24952494109998).

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

12211010112210 is a wasteful number, since it uses less digits than its factorization.

12211010112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389089.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211010112210 its reverse (1221101011221), we get a palindrome (13432111123431).

The spelling of 12211010112210 in words is "twelve trillion, two hundred eleven billion, ten million, one hundred twelve thousand, two hundred ten".