212112310000 has 150 divisors (see below), whose sum is σ = 519975773240. Its totient is φ = 83795472000.

The previous prime is 212112309989. The next prime is 212112310049. The reversal of 212112310000 is 13211212.

It is a super-2 number, since 2×212112310000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 68888461 + ... + 68891539.

Almost surely, 2^212112310000 is an apocalyptic number.

212112310000 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 212112310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259987886620).

212112310000 is an abundant number, since it is smaller than the sum of its proper divisors (307863463240).

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

212112310000 is an frugal number, since it uses more digits than its factorization.

212112310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212112310000 its reverse (13211212), we get a palindrome (212125521212).

The spelling of 212112310000 in words is "two hundred twelve billion, one hundred twelve million, three hundred ten thousand".