12102311321332 has 6 divisors (see below), whose sum is σ = 21179044812338. Its totient is φ = 6051155660664.

The previous prime is 12102311321249. The next prime is 12102311321333. The reversal of 12102311321332 is 23312311320121.

It can be written as a sum of positive squares in only one way, i.e., 11997591772516 + 104719548816 = 3463754^2 + 323604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12102311321297 and 12102311321306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102311321333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512788915163 + ... + 1512788915170.

Almost surely, 2^{12102311321332} is an apocalyptic number.

It is an amenable number.

12102311321332 is a deficient number, since it is larger than the sum of its proper divisors (9076733491006).

12102311321332 is a wasteful number, since it uses less digits than its factorization.

12102311321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025577830337 (or 3025577830335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12102311321332 its reverse (23312311320121), we get a palindrome (35414622641453).

The spelling of 12102311321332 in words is "twelve trillion, one hundred two billion, three hundred eleven million, three hundred twenty-one thousand, three hundred thirty-two".