210220103212 has 72 divisors (see below), whose sum is σ = 443091683328. Its totient is φ = 86923821600.

The previous prime is 210220103167. The next prime is 210220103239. The reversal of 210220103212 is 212301022012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1958893 + ... + 2063419.

Almost surely, 2^210220103212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220103212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221545841664).

210220103212 is an abundant number, since it is smaller than the sum of its proper divisors (232871580116).

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

210220103212 is a wasteful number, since it uses less digits than its factorization.

210220103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104907 (or 104898 counting only the distinct ones).

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

Adding to 210220103212 its reverse (212301022012), we get a palindrome (422521125224).

The spelling of 210220103212 in words is "two hundred ten billion, two hundred twenty million, one hundred three thousand, two hundred twelve".