12210310328 has 32 divisors (see below), whose sum is σ = 24176880000. Its totient is φ = 5765211360.

The previous prime is 12210310303. The next prime is 12210310331. The reversal of 12210310328 is 82301301221.

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 7 ways as a sum of consecutive naturals, for example, 81878 + ... + 176421.

It is an arithmetic number, because the mean of its divisors is an integer number (755527500).

Almost surely, 2^12210310328 is an apocalyptic number.

It is an amenable number.

12210310328 is a deficient number, since it is larger than the sum of its proper divisors (11966569672).

12210310328 is a wasteful number, since it uses less digits than its factorization.

12210310328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258635 (or 258631 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12210310328 its reverse (82301301221), we get a palindrome (94511611549).

The spelling of 12210310328 in words is "twelve billion, two hundred ten million, three hundred ten thousand, three hundred twenty-eight".