12254552020455 has 32 divisors (see below), whose sum is σ = 20480932353024. Its totient is φ = 6245132441856.

The previous prime is 12254552020387. The next prime is 12254552020481. The reversal of 12254552020455 is 55402025545221.

It is not a de Polignac number, because 12254552020455 - 2⁷ = 12254552020327 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 18032694 + ... + 18699923.

It is an arithmetic number, because the mean of its divisors is an integer number (640029136032).

Almost surely, 2^{12254552020455} is an apocalyptic number.

12254552020455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12254552020455 is a deficient number, since it is larger than the sum of its proper divisors (8226380332569).

12254552020455 is a wasteful number, since it uses less digits than its factorization.

12254552020455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36733615.

The product of its (nonzero) digits is 800000, while the sum is 42.

Adding to 12254552020455 its reverse (55402025545221), we get a palindrome (67656577565676).

The spelling of 12254552020455 in words is "twelve trillion, two hundred fifty-four billion, five hundred fifty-two million, twenty thousand, four hundred fifty-five".