124221042411313 has 4 divisors (see below), whose sum is σ = 126257452942708. Its totient is φ = 122184631879920.

The previous prime is 124221042411299. The next prime is 124221042411337. The reversal of 124221042411313 is 313114240122421.

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 7384572546849 + 116836469864464 = 2717457^2 + 10809092^2 .

It is a cyclic number.

It is not a de Polignac number, because 124221042411313 - 2¹⁷ = 124221042280241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124221042411353) 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, 1018205265606 + ... + 1018205265727.

It is an arithmetic number, because the mean of its divisors is an integer number (31564363235677).

Almost surely, 2^{124221042411313} is an apocalyptic number.

It is an amenable number.

124221042411313 is a deficient number, since it is larger than the sum of its proper divisors (2036410531395).

124221042411313 is an equidigital number, since it uses as much as digits as its factorization.

124221042411313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036410531394.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 124221042411313 its reverse (313114240122421), we get a palindrome (437335282533734).

The spelling of 124221042411313 in words is "one hundred twenty-four trillion, two hundred twenty-one billion, forty-two million, four hundred eleven thousand, three hundred thirteen".