12226260321750 has 64 divisors (see below), whose sum is σ = 31501156976640. Its totient is φ = 3155163948000.

The previous prime is 12226260321739. The next prime is 12226260321763. The reversal of 12226260321750 is 5712306262221.

It is a junction number, because it is equal to n+sod(n) for n = 12226260321699 and 12226260321708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262907080 + ... + 262953579.

It is an arithmetic number, because the mean of its divisors is an integer number (492205577760).

Almost surely, 2^{12226260321750} is an apocalyptic number.

12226260321750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12226260321750 is an abundant number, since it is smaller than the sum of its proper divisors (19274896654890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12226260321750 is a wasteful number, since it uses less digits than its factorization.

12226260321750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525860710 (or 525860700 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 12226260321750 its reverse (5712306262221), we get a palindrome (17938566583971).

The spelling of 12226260321750 in words is "twelve trillion, two hundred twenty-six billion, two hundred sixty million, three hundred twenty-one thousand, seven hundred fifty".