212383506 has 16 divisors (see below), whose sum is σ = 433805184. Its totient is φ = 69288144.

The previous prime is 212383489. The next prime is 212383519. The reversal of 212383506 is 605383212.

It is an unprimeable number.

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, 376285 + ... + 376848.

It is an arithmetic number, because the mean of its divisors is an integer number (27112824).

Almost surely, 2^212383506 is an apocalyptic number.

212383506 is an abundant number, since it is smaller than the sum of its proper divisors (221421678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212383506 is a wasteful number, since it uses less digits than its factorization.

212383506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753185.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 212383506 is about 14573.3834781083. The cubic root of 212383506 is about 596.6325300459.

The spelling of 212383506 in words is "two hundred twelve million, three hundred eighty-three thousand, five hundred six".