12142224441013 has 4 divisors (see below), whose sum is σ = 12144978408780. Its totient is φ = 12139470473248.

The previous prime is 12142224440999. The next prime is 12142224441019. The reversal of 12142224441013 is 31014442224121.

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 4671853133809 + 7470371307204 = 2161447^2 + 2733198^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142224441013 - 2²¹ = 12142222343861 is a prime.

It is a super-2 number, since 2×12142224441013² (a number of 27 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 (12142224441019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376977270 + ... + 1376986087.

It is an arithmetic number, because the mean of its divisors is an integer number (3036244602195).

Almost surely, 2^{12142224441013} is an apocalyptic number.

It is an amenable number.

12142224441013 is a deficient number, since it is larger than the sum of its proper divisors (2753967767).

12142224441013 is an equidigital number, since it uses as much as digits as its factorization.

12142224441013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753967766.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 12142224441013 its reverse (31014442224121), we get a palindrome (43156666665134).

The spelling of 12142224441013 in words is "twelve trillion, one hundred forty-two billion, two hundred twenty-four million, four hundred forty-one thousand, thirteen".