345212013005 has 8 divisors (see below), whose sum is σ = 419929134072. Its totient is φ = 272386464768.

The previous prime is 345212012987. The next prime is 345212013019. The reversal of 345212013005 is 500310212543.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11911321321 + 333300691684 = 109139^2 + 577322^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345212013005 - 2⁶ = 345212012941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472892804 + ... + 472893533.

It is an arithmetic number, because the mean of its divisors is an integer number (52491141759).

Almost surely, 2^345212013005 is an apocalyptic number.

It is an amenable number.

345212013005 is a deficient number, since it is larger than the sum of its proper divisors (74717121067).

345212013005 is an equidigital number, since it uses as much as digits as its factorization.

345212013005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945786415.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 345212013005 its reverse (500310212543), we get a palindrome (845522225548).

The spelling of 345212013005 in words is "three hundred forty-five billion, two hundred twelve million, thirteen thousand, five".