212212020210 has 16 divisors (see below), whose sum is σ = 509308848576. Its totient is φ = 56589872048.

The previous prime is 212212020191. The next prime is 212212020257. The reversal of 212212020210 is 12020212212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212212020210.

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, 3536866974 + ... + 3536867033.

It is an arithmetic number, because the mean of its divisors is an integer number (31831803036).

Almost surely, 2^212212020210 is an apocalyptic number.

212212020210 is an abundant number, since it is smaller than the sum of its proper divisors (297096828366).

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

212212020210 is a wasteful number, since it uses less digits than its factorization.

212212020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073734017.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212212020210 its reverse (12020212212), we get a palindrome (224232232422).

The spelling of 212212020210 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, two hundred ten".