12081620253 has 4 divisors (see below), whose sum is σ = 16108827008. Its totient is φ = 8054413500.

The previous prime is 12081620219. The next prime is 12081620263. The reversal of 12081620253 is 35202618021.

12081620253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12081620253 - 2⁶ = 12081620189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12081620253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081620263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013603373 + ... + 2013603378.

It is an arithmetic number, because the mean of its divisors is an integer number (4027206752).

Almost surely, 2^12081620253 is an apocalyptic number.

It is an amenable number.

12081620253 is a deficient number, since it is larger than the sum of its proper divisors (4027206755).

12081620253 is an equidigital number, since it uses as much as digits as its factorization.

12081620253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027206754.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 12081620253 in words is "twelve billion, eighty-one million, six hundred twenty thousand, two hundred fifty-three".