212220122222000 has 160 divisors (see below), whose sum is σ = 527603841692928. Its totient is φ = 82512000000000.

The previous prime is 212220122221973. The next prime is 212220122222047. The reversal of 212220122222000 is 222221022212.

212220122222000 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 (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17447000 + ... + 26997000.

Almost surely, 2^{212220122222000} is an apocalyptic number.

212220122222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212220122222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263801920846464).

212220122222000 is an abundant number, since it is smaller than the sum of its proper divisors (315383719470928).

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

212220122222000 is a wasteful number, since it uses less digits than its factorization.

212220122222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550336 (or 9550320 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212220122222000 its reverse (222221022212), we get a palindrome (212442343244212).

The spelling of 212220122222000 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand".