10221003212 has 24 divisors (see below), whose sum is σ = 21330790656. Its totient is φ = 4189976208.

The previous prime is 10221003197. The next prime is 10221003227. The reversal of 10221003212 is 21230012201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10221003197) and next prime (10221003227).

It is a super-3 number, since 3×10221003212³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7934918 + ... + 7936205.

It is an arithmetic number, because the mean of its divisors is an integer number (888782944).

Almost surely, 2^10221003212 is an apocalyptic number.

It is an amenable number.

10221003212 is an abundant number, since it is smaller than the sum of its proper divisors (11109787444).

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

10221003212 is a wasteful number, since it uses less digits than its factorization.

10221003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871157 (or 15871155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10221003212 its reverse (21230012201), we get a palindrome (31451015413).

The spelling of 10221003212 in words is "ten billion, two hundred twenty-one million, three thousand, two hundred twelve".