12255455121501 has 8 divisors (see below), whose sum is σ = 16340677693920. Its totient is φ = 8170267981712.

The previous prime is 12255455121461. The next prime is 12255455121521. The reversal of 12255455121501 is 10512155455221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12255455121501 - 2²⁷ = 12255320903773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12255455121501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255455121521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8040315 + ... + 9442328.

It is an arithmetic number, because the mean of its divisors is an integer number (2042584711740).

Almost surely, 2^{12255455121501} is an apocalyptic number.

It is an amenable number.

12255455121501 is a deficient number, since it is larger than the sum of its proper divisors (4085222572419).

12255455121501 is a wasteful number, since it uses less digits than its factorization.

12255455121501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716315.

The product of its (nonzero) digits is 100000, while the sum is 39.

The spelling of 12255455121501 in words is "twelve trillion, two hundred fifty-five billion, four hundred fifty-five million, one hundred twenty-one thousand, five hundred one".