12340543510212 has 12 divisors (see below), whose sum is σ = 28794601523856. Its totient is φ = 4113514503400.

The previous prime is 12340543510201. The next prime is 12340543510241. The reversal of 12340543510212 is 21201534504321.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514189312914 + ... + 514189312937.

It is an arithmetic number, because the mean of its divisors is an integer number (2399550126988).

Almost surely, 2^{12340543510212} is an apocalyptic number.

12340543510212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12340543510212 is an abundant number, since it is smaller than the sum of its proper divisors (16454058013644).

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

12340543510212 is a wasteful number, since it uses less digits than its factorization.

12340543510212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028378625858 (or 1028378625856 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 12340543510212 in words is "twelve trillion, three hundred forty billion, five hundred forty-three million, five hundred ten thousand, two hundred twelve".