12111222010324 has 6 divisors (see below), whose sum is σ = 21194638518074. Its totient is φ = 6055611005160.

The previous prime is 12111222010247. The next prime is 12111222010337. The reversal of 12111222010324 is 42301022211121.

It can be written as a sum of positive squares in only one way, i.e., 8597914128400 + 3513307881924 = 2932220^2 + 1874382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12111222010295 and 12111222010304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513902751287 + ... + 1513902751294.

Almost surely, 2^{12111222010324} is an apocalyptic number.

It is an amenable number.

12111222010324 is a deficient number, since it is larger than the sum of its proper divisors (9083416507750).

12111222010324 is a wasteful number, since it uses less digits than its factorization.

12111222010324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027805502585 (or 3027805502583 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12111222010324 its reverse (42301022211121), we get a palindrome (54412244221445).

The spelling of 12111222010324 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-two million, ten thousand, three hundred twenty-four".