212243311030 has 16 divisors (see below), whose sum is σ = 383282388720. Its totient is φ = 84620784672.

The previous prime is 212243311019. The next prime is 212243311031. The reversal of 212243311030 is 30113342212.

It is a junction number, because it is equal to n+sod(n) for n = 212243310992 and 212243311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212243311031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34564245 + ... + 34570384.

It is an arithmetic number, because the mean of its divisors is an integer number (23955149295).

Almost surely, 2^212243311030 is an apocalyptic number.

212243311030 is a deficient number, since it is larger than the sum of its proper divisors (171039077690).

212243311030 is a wasteful number, since it uses less digits than its factorization.

212243311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69134943.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212243311030 its reverse (30113342212), we get a palindrome (242356653242).

The spelling of 212243311030 in words is "two hundred twelve billion, two hundred forty-three million, three hundred eleven thousand, thirty".