12052215311 has 16 divisors (see below), whose sum is σ = 12902174208. Its totient is φ = 11240376000.

The previous prime is 12052215293. The next prime is 12052215353. The reversal of 12052215311 is 11351225021.

It is a cyclic number.

It is not a de Polignac number, because 12052215311 - 2¹⁸ = 12051953167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052215911) 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 15 ways as a sum of consecutive naturals, for example, 10136 + ... + 155586.

It is an arithmetic number, because the mean of its divisors is an integer number (806385888).

Almost surely, 2^12052215311 is an apocalyptic number.

12052215311 is a deficient number, since it is larger than the sum of its proper divisors (849958897).

12052215311 is a wasteful number, since it uses less digits than its factorization.

12052215311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145582.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 12052215311 in words is "twelve billion, fifty-two million, two hundred fifteen thousand, three hundred eleven".