12212022211110 has 160 divisors (see below), whose sum is σ = 32939735856192. Its totient is φ = 3246344110080.

The previous prime is 12212022211057. The next prime is 12212022211187. The reversal of 12212022211110 is 1111222021221.

12212022211110 is a `hidden beast` number, since 1 + 221 + 202 + 221 + 11 + 10 = 666.

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 79 ways as a sum of consecutive naturals, for example, 335910694 + ... + 335947046.

Almost surely, 2^{12212022211110} is an apocalyptic number.

12212022211110 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 12212022211110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16469867928096).

12212022211110 is an abundant number, since it is smaller than the sum of its proper divisors (20727713645082).

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

12212022211110 is a wasteful number, since it uses less digits than its factorization.

12212022211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37660 (or 37651 counting only the distinct ones).

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

Adding to 12212022211110 its reverse (1111222021221), we get a palindrome (13323244232331).

The spelling of 12212022211110 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred eleven thousand, one hundred ten".