212736693854 has 8 divisors (see below), whose sum is σ = 321246685800. Its totient is φ = 105654465256.

The previous prime is 212736693803. The next prime is 212736693863. The reversal of 212736693854 is 458396637212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212736693854.

It is a congruent number.

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, 356940464 + ... + 356941059.

It is an arithmetic number, because the mean of its divisors is an integer number (40155835725).

Almost surely, 2^212736693854 is an apocalyptic number.

212736693854 is a deficient number, since it is larger than the sum of its proper divisors (108509991946).

212736693854 is a wasteful number, since it uses less digits than its factorization.

212736693854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713881674.

The product of its digits is 13063680, while the sum is 56.

The spelling of 212736693854 in words is "two hundred twelve billion, seven hundred thirty-six million, six hundred ninety-three thousand, eight hundred fifty-four".