100220202210212 has 72 divisors (see below), whose sum is σ = 216179812981440. Its totient is φ = 40421432721600.

The previous prime is 100220202210209. The next prime is 100220202210217. The reversal of 100220202210212 is 212012202022001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100220202210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88550183 + ... + 89674830.

It is an arithmetic number, because the mean of its divisors is an integer number (3002497402520).

Almost surely, 2^{100220202210212} is an apocalyptic number.

It is an amenable number.

100220202210212 is an abundant number, since it is smaller than the sum of its proper divisors (115959610771228).

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

100220202210212 is a wasteful number, since it uses less digits than its factorization.

100220202210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178225201 (or 178225192 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100220202210212 its reverse (212012202022001), we get a palindrome (312232404232213).

The spelling of 100220202210212 in words is "one hundred trillion, two hundred twenty billion, two hundred two million, two hundred ten thousand, two hundred twelve".