12442554013 has 8 divisors (see below), whose sum is σ = 12528145080. Its totient is φ = 12357235200.

The previous prime is 12442554001. The next prime is 12442554017. The reversal of 12442554013 is 31045524421.

It can be written as a sum of positive squares in 4 ways, for example, as 9083424249 + 3359129764 = 95307^2 + 57958^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12442554013 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 (12442554017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24081 + ... + 159577.

It is an arithmetic number, because the mean of its divisors is an integer number (1566018135).

Almost surely, 2^12442554013 is an apocalyptic number.

It is an amenable number.

12442554013 is a deficient number, since it is larger than the sum of its proper divisors (85591067).

12442554013 is a wasteful number, since it uses less digits than its factorization.

12442554013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136127.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 12442554013 in words is "twelve billion, four hundred forty-two million, five hundred fifty-four thousand, thirteen".