306212138152 has 64 divisors (see below), whose sum is σ = 611754353280. Its totient is φ = 143387937792.

The previous prime is 306212138041. The next prime is 306212138173. The reversal of 306212138152 is 251831212603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756983 + ... + 1923385.

It is an arithmetic number, because the mean of its divisors is an integer number (9558661770).

Almost surely, 2^306212138152 is an apocalyptic number.

It is an amenable number.

306212138152 is a deficient number, since it is larger than the sum of its proper divisors (305542215128).

306212138152 is a wasteful number, since it uses less digits than its factorization.

306212138152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166642 (or 166638 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 306212138152 in words is "three hundred six billion, two hundred twelve million, one hundred thirty-eight thousand, one hundred fifty-two".