12365152220613 has 4 divisors (see below), whose sum is σ = 16486869627488. Its totient is φ = 8243434813740.

The previous prime is 12365152220611. The next prime is 12365152220621. The reversal of 12365152220613 is 31602225156321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12365152220613 - 2¹ = 12365152220611 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 (12365152220611) 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, 2060858703433 + ... + 2060858703438.

It is an arithmetic number, because the mean of its divisors is an integer number (4121717406872).

Almost surely, 2^{12365152220613} is an apocalyptic number.

It is an amenable number.

12365152220613 is a deficient number, since it is larger than the sum of its proper divisors (4121717406875).

12365152220613 is an equidigital number, since it uses as much as digits as its factorization.

12365152220613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121717406874.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 12365152220613 its reverse (31602225156321), we get a palindrome (43967377376934).

The spelling of 12365152220613 in words is "twelve trillion, three hundred sixty-five billion, one hundred fifty-two million, two hundred twenty thousand, six hundred thirteen".