210220100012 has 48 divisors (see below), whose sum is σ = 420463032192. Its totient is φ = 91105290240.

The previous prime is 210220100003. The next prime is 210220100017. The reversal of 210220100012 is 210001022012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210220099966 and 210220100002.

It is not an unprimeable number, because it can be changed into a prime (210220100017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105128 + ... + 656880.

It is an arithmetic number, because the mean of its divisors is an integer number (8759646504).

Almost surely, 2^210220100012 is an apocalyptic number.

It is an amenable number.

210220100012 is an abundant number, since it is smaller than the sum of its proper divisors (210242932180).

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

210220100012 is a wasteful number, since it uses less digits than its factorization.

210220100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552218 (or 552216 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210220100012 its reverse (210001022012), we get a palindrome (420221122024).

The spelling of 210220100012 in words is "two hundred ten billion, two hundred twenty million, one hundred thousand, twelve".