212047899 has 8 divisors (see below), whose sum is σ = 323120640. Its totient is φ = 121170216.

The previous prime is 212047877. The next prime is 212047903. The reversal of 212047899 is 998740212.

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

It is not a de Polignac number, because 212047899 - 2⁵ = 212047867 is a prime.

It is a super-3 number, since 3×212047899³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 212047899.

It is not an unprimeable number, because it can be changed into a prime (212047499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5048739 + ... + 5048780.

It is an arithmetic number, because the mean of its divisors is an integer number (40390080).

Almost surely, 2^212047899 is an apocalyptic number.

212047899 is a deficient number, since it is larger than the sum of its proper divisors (111072741).

212047899 is a wasteful number, since it uses less digits than its factorization.

212047899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097529.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 212047899 is about 14561.8645440754. The cubic root of 212047899 is about 596.3180994522.

The spelling of 212047899 in words is "two hundred twelve million, forty-seven thousand, eight hundred ninety-nine".