12122202211110 has 144 divisors (see below), whose sum is σ = 33732371630880. Its totient is φ = 3019317396480.

The previous prime is 12122202210983. The next prime is 12122202211123. The reversal of 12122202211110 is 1111220222121.

12122202211110 is a `hidden beast` number, since 1 + 212 + 220 + 221 + 1 + 1 + 10 = 666.

It is a super-4 number, since 4×12122202211110⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 320715 + ... + 4934294.

It is an arithmetic number, because the mean of its divisors is an integer number (234252580770).

Almost surely, 2^{12122202211110} is an apocalyptic number.

12122202211110 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 12122202211110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16866185815440).

12122202211110 is an abundant number, since it is smaller than the sum of its proper divisors (21610169419770).

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

12122202211110 is a wasteful number, since it uses less digits than its factorization.

12122202211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255131 (or 5255109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122202211110 its reverse (1111220222121), we get a palindrome (13233422433231).

The spelling of 12122202211110 in words is "twelve trillion, one hundred twenty-two billion, two hundred two million, two hundred eleven thousand, one hundred ten".