306211123121230 has 16 divisors (see below), whose sum is σ = 556637249556864. Its totient is φ = 121271731928800.

The previous prime is 306211123121219. The next prime is 306211123121243. The reversal of 306211123121230 is 32121321112603.

It is a super-3 number, since 3×306211123121230³ (a number of 44 digits) contains 333 as substring.

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, 151589663902 + ... + 151589665921.

It is an arithmetic number, because the mean of its divisors is an integer number (34789828097304).

Almost surely, 2^{306211123121230} is an apocalyptic number.

306211123121230 is a deficient number, since it is larger than the sum of its proper divisors (250426126435634).

306211123121230 is a wasteful number, since it uses less digits than its factorization.

306211123121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303179329931.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 306211123121230 its reverse (32121321112603), we get a palindrome (338332444233833).

The spelling of 306211123121230 in words is "three hundred six trillion, two hundred eleven billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty".