345212606212543 has 4 divisors (see below), whose sum is σ = 345213543612168. Its totient is φ = 345211668812920.

The previous prime is 345212606212541. The next prime is 345212606212553.

It is a happy number.

345212606212543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345212606212543 - 2¹ = 345212606212541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345212606212493 and 345212606212502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345212606212541) 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, 468147196 + ... + 468884017.

It is an arithmetic number, because the mean of its divisors is an integer number (86303385903042).

Almost surely, 2^{345212606212543} is an apocalyptic number.

345212606212543 is a deficient number, since it is larger than the sum of its proper divisors (937399625).

345212606212543 is an equidigital number, since it uses as much as digits as its factorization.

345212606212543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937399624.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 345212606212543 in words is "three hundred forty-five trillion, two hundred twelve billion, six hundred six million, two hundred twelve thousand, five hundred forty-three".