10221332312 has 16 divisors (see below), whose sum is σ = 19168031400. Its totient is φ = 5109857280.

The previous prime is 10221332311. The next prime is 10221332347. The reversal of 10221332312 is 21323312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221332311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45614 + ... + 150077.

Almost surely, 2^10221332312 is an apocalyptic number.

It is an amenable number.

10221332312 is a deficient number, since it is larger than the sum of its proper divisors (8946699088).

10221332312 is a wasteful number, since it uses less digits than its factorization.

10221332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202226 (or 202222 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10221332312 its reverse (21323312201), we get a palindrome (31544644513).

The spelling of 10221332312 in words is "ten billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred twelve".