343245521212 has 48 divisors (see below), whose sum is σ = 704451847680. Its totient is φ = 144664185600.

The previous prime is 343245521191. The next prime is 343245521219. The reversal of 343245521212 is 212125542343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343245521219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4328589 + ... + 4407172.

It is an arithmetic number, because the mean of its divisors is an integer number (14676080160).

Almost surely, 2^343245521212 is an apocalyptic number.

It is an amenable number.

343245521212 is an abundant number, since it is smaller than the sum of its proper divisors (361206326468).

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

343245521212 is a wasteful number, since it uses less digits than its factorization.

343245521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735842 (or 8735840 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The spelling of 343245521212 in words is "three hundred forty-three billion, two hundred forty-five million, five hundred twenty-one thousand, two hundred twelve".