212414730 has 32 divisors (see below), whose sum is σ = 556141248. Its totient is φ = 51494400.

The previous prime is 212414717. The next prime is 212414773. The reversal of 212414730 is 37414212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212414730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321511 + ... + 322170.

It is an arithmetic number, because the mean of its divisors is an integer number (17379414).

Almost surely, 2^212414730 is an apocalyptic number.

212414730 is an abundant number, since it is smaller than the sum of its proper divisors (343726518).

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

212414730 is a wasteful number, since it uses less digits than its factorization.

212414730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643702.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 212414730 is about 14574.4547067806. The cubic root of 212414730 is about 596.6617670013.

Adding to 212414730 its reverse (37414212), we get a palindrome (249828942).

The spelling of 212414730 in words is "two hundred twelve million, four hundred fourteen thousand, seven hundred thirty".