12264460220551 has 64 divisors (see below), whose sum is σ = 16620643113984. Its totient is φ = 8756374118400.

The previous prime is 12264460220521. The next prime is 12264460220569. The reversal of 12264460220551 is 15502206446221.

It is a cyclic number.

It is not a de Polignac number, because 12264460220551 - 2⁷ = 12264460220423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12264460220521) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 24818755 + ... + 25308091.

It is an arithmetic number, because the mean of its divisors is an integer number (259697548656).

Almost surely, 2^{12264460220551} is an apocalyptic number.

12264460220551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12264460220551 is a deficient number, since it is larger than the sum of its proper divisors (4356182893433).

12264460220551 is a wasteful number, since it uses less digits than its factorization.

12264460220551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489880.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 12264460220551 its reverse (15502206446221), we get a palindrome (27766666666772).

The spelling of 12264460220551 in words is "twelve trillion, two hundred sixty-four billion, four hundred sixty million, two hundred twenty thousand, five hundred fifty-one".