12321102100228 has 12 divisors (see below), whose sum is σ = 21563137496320. Its totient is φ = 6160205672712.

The previous prime is 12321102100201. The next prime is 12321102100247. The reversal of 12321102100228 is 82200120112321.

It is a happy 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, 86264076 + ... + 86406787.

Almost surely, 2^{12321102100228} is an apocalyptic number.

It is an amenable number.

12321102100228 is a deficient number, since it is larger than the sum of its proper divisors (9242035396092).

12321102100228 is a wasteful number, since it uses less digits than its factorization.

12321102100228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172688706 (or 172688704 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 12321102100228 its reverse (82200120112321), we get a palindrome (94521222212549).

The spelling of 12321102100228 in words is "twelve trillion, three hundred twenty-one billion, one hundred two million, one hundred thousand, two hundred twenty-eight".