12003521550851 has 2 divisors, whose sum is σ = 12003521550852. Its totient is φ = 12003521550850.

The previous prime is 12003521550799. The next prime is 12003521550883. The reversal of 12003521550851 is 15805512530021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12003521550851 - 2²² = 12003517356547 is a prime.

It is not a weakly prime, because it can be changed into another prime (12003521552851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001760775425 + 6001760775426.

It is an arithmetic number, because the mean of its divisors is an integer number (6001760775426).

Almost surely, 2^{12003521550851} is an apocalyptic number.

12003521550851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003521550851 is an equidigital number, since it uses as much as digits as its factorization.

12003521550851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 12003521550851 in words is "twelve trillion, three billion, five hundred twenty-one million, five hundred fifty thousand, eight hundred fifty-one".