10001220220212 has 48 divisors (see below), whose sum is σ = 25236423179520. Its totient is φ = 3064422791808.

The previous prime is 10001220220171. The next prime is 10001220220237. The reversal of 10001220220212 is 21202202210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001220220191 and 10001220220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134084863 + ... + 134159430.

It is an arithmetic number, because the mean of its divisors is an integer number (525758816240).

Almost surely, 2^{10001220220212} is an apocalyptic number.

10001220220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10001220220212 is an abundant number, since it is smaller than the sum of its proper divisors (15235202959308).

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

10001220220212 is a wasteful number, since it uses less digits than its factorization.

10001220220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268244552 (or 268244550 counting only the distinct ones).

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

Adding to 10001220220212 its reverse (21202202210001), we get a palindrome (31203422430213).

The spelling of 10001220220212 in words is "ten trillion, one billion, two hundred twenty million, two hundred twenty thousand, two hundred twelve".