212006673 has 16 divisors (see below), whose sum is σ = 318389440. Its totient is φ = 139400352.

The previous prime is 212006671. The next prime is 212006713. The reversal of 212006673 is 376600212.

It is a happy number.

212006673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212006673 - 2¹ = 212006671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212006671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51811 + ... + 55752.

It is an arithmetic number, because the mean of its divisors is an integer number (19899340).

Almost surely, 2^212006673 is an apocalyptic number.

It is an amenable number.

212006673 is a deficient number, since it is larger than the sum of its proper divisors (106382767).

212006673 is a wasteful number, since it uses less digits than its factorization.

212006673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107645 (or 107639 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 212006673 is about 14560.4489285187. The cubic root of 212006673 is about 596.2794518896.

Adding to 212006673 its reverse (376600212), we get a palindrome (588606885).

The spelling of 212006673 in words is "two hundred twelve million, six thousand, six hundred seventy-three".