212222103030 has 128 divisors (see below), whose sum is σ = 680812876800. Its totient is φ = 45954853632.

The previous prime is 212222103013. The next prime is 212222103043. The reversal of 212222103030 is 30301222212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212222102994 and 212222103012.

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, 2919007 + ... + 2990826.

It is an arithmetic number, because the mean of its divisors is an integer number (5318850600).

Almost surely, 2^212222103030 is an apocalyptic number.

212222103030 is an abundant number, since it is smaller than the sum of its proper divisors (468590773770).

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

212222103030 is a wasteful number, since it uses less digits than its factorization.

212222103030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909875 (or 5909869 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212222103030 its reverse (30301222212), we get a palindrome (242523325242).

The spelling of 212222103030 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred three thousand, thirty".