12106255013 has 4 divisors (see below), whose sum is σ = 12116403948. Its totient is φ = 12096106080.

The previous prime is 12106255009. The next prime is 12106255027. The reversal of 12106255013 is 31055260121.

12106255013 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2214361249 + 9891893764 = 47057^2 + 99458^2 .

It is a cyclic number.

It is not a de Polignac number, because 12106255013 - 2² = 12106255009 is a prime.

It is a super-2 number, since 2×12106255013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106255613) 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, 5072678 + ... + 5075063.

It is an arithmetic number, because the mean of its divisors is an integer number (3029100987).

Almost surely, 2^12106255013 is an apocalyptic number.

It is an amenable number.

12106255013 is a deficient number, since it is larger than the sum of its proper divisors (10148935).

12106255013 is a wasteful number, since it uses less digits than its factorization.

12106255013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148934.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 12106255013 in words is "twelve billion, one hundred six million, two hundred fifty-five thousand, thirteen".