306120026212 has 72 divisors (see below), whose sum is σ = 724724184128. Its totient is φ = 110093100480.

The previous prime is 306120026153. The next prime is 306120026269. The reversal of 306120026212 is 212620021603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3431118 + ... + 3519205.

Almost surely, 2^306120026212 is an apocalyptic number.

It is an amenable number.

306120026212 is an abundant number, since it is smaller than the sum of its proper divisors (418604157916).

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

306120026212 is a wasteful number, since it uses less digits than its factorization.

306120026212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950369 (or 6950356 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 306120026212 its reverse (212620021603), we get a palindrome (518740047815).

The spelling of 306120026212 in words is "three hundred six billion, one hundred twenty million, twenty-six thousand, two hundred twelve".