212031030000000 has 512 divisors, whose sum is σ = 704803453511040. Its totient is φ = 56477696000000.

The previous prime is 212031029999983. The next prime is 212031030000019. The reversal of 212031030000000 is 30130212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30389996512 + ... + 30390003488.

Almost surely, 2^{212031030000000} is an apocalyptic number.

212031030000000 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 212031030000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352401726755520).

212031030000000 is an abundant number, since it is smaller than the sum of its proper divisors (492772423511040).

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

212031030000000 is an frugal number, since it uses more digits than its factorization.

212031030000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042 (or 8000 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 212031030000000 its reverse (30130212), we get a palindrome (212031060130212).

The spelling of 212031030000000 in words is "two hundred twelve trillion, thirty-one billion, thirty million", and thus it is an aban number.