10003221212 has 12 divisors (see below), whose sum is σ = 17567936736. Its totient is φ = 4983810720.

The previous prime is 10003221191. The next prime is 10003221223. The reversal of 10003221212 is 21212230001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4448708 + ... + 4450955.

It is an arithmetic number, because the mean of its divisors is an integer number (1463994728).

Almost surely, 2^10003221212 is an apocalyptic number.

It is an amenable number.

10003221212 is a deficient number, since it is larger than the sum of its proper divisors (7564715524).

10003221212 is a wasteful number, since it uses less digits than its factorization.

10003221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899948 (or 8899946 counting only the distinct ones).

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

Adding to 10003221212 its reverse (21212230001), we get a palindrome (31215451213).

The spelling of 10003221212 in words is "ten billion, three million, two hundred twenty-one thousand, two hundred twelve".