10021220202212 has 48 divisors (see below), whose sum is σ = 18287962358400. Its totient is φ = 4800652650240.

The previous prime is 10021220202167. The next prime is 10021220202263. The reversal of 10021220202212 is 21220202212001.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8984714 + ... + 10038302.

It is an arithmetic number, because the mean of its divisors is an integer number (380999215800).

Almost surely, 2^{10021220202212} is an apocalyptic number.

It is an amenable number.

10021220202212 is a deficient number, since it is larger than the sum of its proper divisors (8266742156188).

10021220202212 is a wasteful number, since it uses less digits than its factorization.

10021220202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054676 (or 1054674 counting only the distinct ones).

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

Adding to 10021220202212 its reverse (21220202212001), we get a palindrome (31241422414213).

The spelling of 10021220202212 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred two thousand, two hundred twelve".