212736693823 has 8 divisors (see below), whose sum is σ = 212937984000. Its totient is φ = 212535464568.

The previous prime is 212736693803. The next prime is 212736693863. The reversal of 212736693823 is 328396637212.

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

It is a cyclic number.

It is not a de Polignac number, because 212736693823 - 2²¹ = 212734596671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212736693803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9838578 + ... + 9860176.

It is an arithmetic number, because the mean of its divisors is an integer number (26617248000).

Almost surely, 2^212736693823 is an apocalyptic number.

212736693823 is a deficient number, since it is larger than the sum of its proper divisors (201290177).

212736693823 is a wasteful number, since it uses less digits than its factorization.

212736693823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30461.

The product of its digits is 3919104, while the sum is 52.

The spelling of 212736693823 in words is "two hundred twelve billion, seven hundred thirty-six million, six hundred ninety-three thousand, eight hundred twenty-three".