12340546155213 has 4 divisors (see below), whose sum is σ = 16454061540288. Its totient is φ = 8227030770140.

The previous prime is 12340546155169. The next prime is 12340546155229. The reversal of 12340546155213 is 31255164504321.

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 a cyclic number.

It is not a de Polignac number, because 12340546155213 - 2²⁹ = 12340009284301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340546155293) 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, 2056757692533 + ... + 2056757692538.

It is an arithmetic number, because the mean of its divisors is an integer number (4113515385072).

Almost surely, 2^{12340546155213} is an apocalyptic number.

It is an amenable number.

12340546155213 is a deficient number, since it is larger than the sum of its proper divisors (4113515385075).

12340546155213 is an equidigital number, since it uses as much as digits as its factorization.

12340546155213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113515385074.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 12340546155213 in words is "twelve trillion, three hundred forty billion, five hundred forty-six million, one hundred fifty-five thousand, two hundred thirteen".