212212112112000 has 2048 divisors, whose sum is σ = 1049487493017600. Its totient is φ = 40703938560000.

The previous prime is 212212112111927. The next prime is 212212112112029. The reversal of 212212112112000 is 211211212212.

212212112112000 is a `hidden beast` number, since 2 + 1 + 221 + 211 + 211 + 20 + 0 + 0 = 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 255 ways as a sum of consecutive naturals, for example, 432186630 + ... + 432677370.

It is an arithmetic number, because the mean of its divisors is an integer number (512445064950).

Almost surely, 2^{212212112112000} is an apocalyptic number.

212212112112000 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 212212112112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524743746508800).

212212112112000 is an abundant number, since it is smaller than the sum of its proper divisors (837275380905600).

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

212212112112000 is a wasteful number, since it uses less digits than its factorization.

212212112112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490810 (or 490782 counting only the distinct ones).

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

Adding to 212212112112000 its reverse (211211212212), we get a palindrome (212423323324212).

The spelling of 212212112112000 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred twelve million, one hundred twelve thousand".