212613330 has 32 divisors (see below), whose sum is σ = 515539584. Its totient is φ = 56111616.

The previous prime is 212613301. The next prime is 212613341. The reversal of 212613330 is 33316212.

It is a junction number, because it is equal to n+sod(n) for n = 212613297 and 212613306.

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 15 ways as a sum of consecutive naturals, for example, 33622 + ... + 39441.

It is an arithmetic number, because the mean of its divisors is an integer number (16110612).

Almost surely, 2^212613330 is an apocalyptic number.

212613330 is an abundant number, since it is smaller than the sum of its proper divisors (302926254).

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

212613330 is a wasteful number, since it uses less digits than its factorization.

212613330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73170.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 212613330 is about 14581.2664059059. The cubic root of 212613330 is about 596.8476613850.

Adding to 212613330 its reverse (33316212), we get a palindrome (245929542).

The spelling of 212613330 in words is "two hundred twelve million, six hundred thirteen thousand, three hundred thirty".