10321122212 has 72 divisors (see below), whose sum is σ = 20067264000. Its totient is φ = 4628386048.

The previous prime is 10321122211. The next prime is 10321122223. The reversal of 10321122212 is 21222112301.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (10321122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17230289 + ... + 17230887.

It is an arithmetic number, because the mean of its divisors is an integer number (278712000).

Almost surely, 2^10321122212 is an apocalyptic number.

It is an amenable number.

10321122212 is a deficient number, since it is larger than the sum of its proper divisors (9746141788).

10321122212 is a wasteful number, since it uses less digits than its factorization.

10321122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10321122212 its reverse (21222112301), we get a palindrome (31543234513).

The spelling of 10321122212 in words is "ten billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred twelve".