212606733 has 16 divisors (see below), whose sum is σ = 299859840. Its totient is φ = 133714944.

The previous prime is 212606701. The next prime is 212606761. The reversal of 212606733 is 337606212.

212606733 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 212606733 - 2⁵ = 212606701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212606733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212656733) 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, 16068 + ... + 26141.

It is an arithmetic number, because the mean of its divisors is an integer number (18741240).

Almost surely, 2^212606733 is an apocalyptic number.

212606733 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212606733 is a deficient number, since it is larger than the sum of its proper divisors (87253107).

212606733 is a wasteful number, since it uses less digits than its factorization.

212606733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42308.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 212606733 is about 14581.0401892320. The cubic root of 212606733 is about 596.8414882933.

The spelling of 212606733 in words is "two hundred twelve million, six hundred six thousand, seven hundred thirty-three".