12227125307551 has 16 divisors (see below), whose sum is σ = 15244435895040. Its totient is φ = 9527487785280.

The previous prime is 12227125307549. The next prime is 12227125307563. The reversal of 12227125307551 is 15570352172221.

It is a cyclic number.

It is not a de Polignac number, because 12227125307551 - 2¹ = 12227125307549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12227125307498 and 12227125307507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227125307531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4157355 + ... + 6460483.

It is an arithmetic number, because the mean of its divisors is an integer number (952777243440).

Almost surely, 2^{12227125307551} is an apocalyptic number.

12227125307551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12227125307551 is a deficient number, since it is larger than the sum of its proper divisors (3017310587489).

12227125307551 is a wasteful number, since it uses less digits than its factorization.

12227125307551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372094.

The product of its (nonzero) digits is 294000, while the sum is 43.

Adding to 12227125307551 its reverse (15570352172221), we get a palindrome (27797477479772).

The spelling of 12227125307551 in words is "twelve trillion, two hundred twenty-seven billion, one hundred twenty-five million, three hundred seven thousand, five hundred fifty-one".