212293248099839 has 4 divisors (see below), whose sum is σ = 212294060416824. Its totient is φ = 212292435782856.

The previous prime is 212293248099799. The next prime is 212293248099871. The reversal of 212293248099839 is 938990842392212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212293248099839 is a prime.

It is a super-3 number, since 3×212293248099839³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212293248090839) 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, 405766352 + ... + 406289205.

It is an arithmetic number, because the mean of its divisors is an integer number (53073515104206).

Almost surely, 2^{212293248099839} is an apocalyptic number.

212293248099839 is a deficient number, since it is larger than the sum of its proper divisors (812316985).

212293248099839 is an equidigital number, since it uses as much as digits as its factorization.

212293248099839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812316984.

The product of its (nonzero) digits is 241864704, while the sum is 71.

The spelling of 212293248099839 in words is "two hundred twelve trillion, two hundred ninety-three billion, two hundred forty-eight million, ninety-nine thousand, eight hundred thirty-nine".