345511541323212 has 48 divisors (see below), whose sum is σ = 883948308832512. Its totient is φ = 104168992607680.

The previous prime is 345511541323177. The next prime is 345511541323297. The reversal of 345511541323212 is 212323145115543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6643404648 + ... + 6643456655.

It is an arithmetic number, because the mean of its divisors is an integer number (18415589767344).

Almost surely, 2^{345511541323212} is an apocalyptic number.

It is an amenable number.

345511541323212 is an abundant number, since it is smaller than the sum of its proper divisors (538436767509300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345511541323212 is a wasteful number, since it uses less digits than its factorization.

345511541323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13286861518 (or 13286861516 counting only the distinct ones).

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

Adding to 345511541323212 its reverse (212323145115543), we get a palindrome (557834686438755).

The spelling of 345511541323212 in words is "three hundred forty-five trillion, five hundred eleven billion, five hundred forty-one million, three hundred twenty-three thousand, two hundred twelve".