306021120202 has 32 divisors (see below), whose sum is σ = 532654405632. Its totient is φ = 129141810864.

The previous prime is 306021120149. The next prime is 306021120203. The reversal of 306021120202 is 202021120603.

It is a self number, because there is not a number n which added to its sum of digits gives 306021120202.

It is not an unprimeable number, because it can be changed into a prime (306021120203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2282643 + ... + 2412985.

It is an arithmetic number, because the mean of its divisors is an integer number (16645450176).

Almost surely, 2^306021120202 is an apocalyptic number.

306021120202 is a deficient number, since it is larger than the sum of its proper divisors (226633285430).

306021120202 is a wasteful number, since it uses less digits than its factorization.

306021120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132922.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 306021120202 its reverse (202021120603), we get a palindrome (508042240805).

The spelling of 306021120202 in words is "three hundred six billion, twenty-one million, one hundred twenty thousand, two hundred two".