212210220030 has 16 divisors (see below), whose sum is σ = 509304528144. Its totient is φ = 56589392000.

The previous prime is 212210220011. The next prime is 212210220041. The reversal of 212210220030 is 30022012212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 212210219991 and 212210220009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536836971 + ... + 3536837030.

It is an arithmetic number, because the mean of its divisors is an integer number (31831533009).

Almost surely, 2^212210220030 is an apocalyptic number.

212210220030 is an abundant number, since it is smaller than the sum of its proper divisors (297094308114).

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

212210220030 is a wasteful number, since it uses less digits than its factorization.

212210220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073674011.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212210220030 its reverse (30022012212), we get a palindrome (242232232242).

The spelling of 212210220030 in words is "two hundred twelve billion, two hundred ten million, two hundred twenty thousand, thirty".