212212102030 has 16 divisors (see below), whose sum is σ = 384729856560. Its totient is φ = 84274157952.

The previous prime is 212212102001. The next prime is 212212102031. The reversal of 212212102030 is 30201212212.

It is a happy number.

It is a super-2 number, since 2×212212102030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212212101995 and 212212102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212102031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76333899 + ... + 76336678.

It is an arithmetic number, because the mean of its divisors is an integer number (24045616035).

Almost surely, 2^212212102030 is an apocalyptic number.

212212102030 is a deficient number, since it is larger than the sum of its proper divisors (172517754530).

212212102030 is a wasteful number, since it uses less digits than its factorization.

212212102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152670723.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212212102030 its reverse (30201212212), we get a palindrome (242413314242).

The spelling of 212212102030 in words is "two hundred twelve billion, two hundred twelve million, one hundred two thousand, thirty".