306135023331812 has 12 divisors (see below), whose sum is σ = 539825880837936. Its totient is φ = 151899057378120.

The previous prime is 306135023331673. The next prime is 306135023331821. The reversal of 306135023331812 is 218133320531603.

It is a super-2 number, since 2×306135023331812² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 306135023331812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292113571358 + ... + 292113572405.

It is an arithmetic number, because the mean of its divisors is an integer number (44985490069828).

Almost surely, 2^{306135023331812} is an apocalyptic number.

It is an amenable number.

306135023331812 is a deficient number, since it is larger than the sum of its proper divisors (233690857506124).

306135023331812 is a wasteful number, since it uses less digits than its factorization.

306135023331812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584227143898 (or 584227143896 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 306135023331812 in words is "three hundred six trillion, one hundred thirty-five billion, twenty-three million, three hundred thirty-one thousand, eight hundred twelve".