330121212 has 24 divisors (see below), whose sum is σ = 779565696. Its totient is φ = 108714288.

The previous prime is 330121193. The next prime is 330121223. The reversal of 330121212 is 212121033.

It is a super-2 number, since 2×330121212² = 217960029224697888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330121191 and 330121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164728 + ... + 166719.

It is an arithmetic number, because the mean of its divisors is an integer number (32481904).

Almost surely, 2^330121212 is an apocalyptic number.

It is an amenable number.

330121212 is an abundant number, since it is smaller than the sum of its proper divisors (449444484).

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

330121212 is a wasteful number, since it uses less digits than its factorization.

330121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331537 (or 331535 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 330121212 is about 18169.2380687799. The cubic root of 330121212 is about 691.1269213532.

Adding to 330121212 its reverse (212121033), we get a palindrome (542242245).

The spelling of 330121212 in words is "three hundred thirty million, one hundred twenty-one thousand, two hundred twelve".