212683899 has 8 divisors (see below), whose sum is σ = 283694400. Its totient is φ = 141731336.

The previous prime is 212683843. The next prime is 212683903. The reversal of 212683899 is 998386212.

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 212683899 - 2⁷ = 212683771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212683199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5037 + ... + 21230.

It is an arithmetic number, because the mean of its divisors is an integer number (35461800).

Almost surely, 2^212683899 is an apocalyptic number.

212683899 is a deficient number, since it is larger than the sum of its proper divisors (71010501).

212683899 is a wasteful number, since it uses less digits than its factorization.

212683899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969.

The product of its digits is 373248, while the sum is 48.

The square root of 212683899 is about 14583.6860566868. The cubic root of 212683899 is about 596.9136877932.

The spelling of 212683899 in words is "two hundred twelve million, six hundred eighty-three thousand, eight hundred ninety-nine".