12102221231134 has 16 divisors (see below), whose sum is σ = 18248857084800. Its totient is φ = 6019283211480.

The previous prime is 12102221231131. The next prime is 12102221231209. The reversal of 12102221231134 is 43113212220121.

It is a junction number, because it is equal to n+sod(n) for n = 12102221231099 and 12102221231108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102221231131) 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 7 ways as a sum of consecutive naturals, for example, 1894552 + ... + 5271979.

It is an arithmetic number, because the mean of its divisors is an integer number (1140553567800).

Almost surely, 2^{12102221231134} is an apocalyptic number.

12102221231134 is a deficient number, since it is larger than the sum of its proper divisors (6146635853666).

12102221231134 is a wasteful number, since it uses less digits than its factorization.

12102221231134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170975.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12102221231134 its reverse (43113212220121), we get a palindrome (55215433451255).

The spelling of 12102221231134 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirty-four".