306216421612004 has 12 divisors (see below), whose sum is σ = 535879076084604. Its totient is φ = 153108114159264.

The previous prime is 306216421612001. The next prime is 306216421612061. The reversal of 306216421612004 is 400216124612603.

It can be written as a sum of positive squares in 2 ways, for example, as 23273677518400 + 282942744093604 = 4824280^2 + 16820902^2 .

It is not an unprimeable number, because it can be changed into a prime (306216421612001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16782347 + ... + 29901170.

It is an arithmetic number, because the mean of its divisors is an integer number (44656589673717).

Almost surely, 2^{306216421612004} is an apocalyptic number.

It is an amenable number.

306216421612004 is a deficient number, since it is larger than the sum of its proper divisors (229662654472600).

306216421612004 is a wasteful number, since it uses less digits than its factorization.

306216421612004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48323374 (or 48323372 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 306216421612004 in words is "three hundred six trillion, two hundred sixteen billion, four hundred twenty-one million, six hundred twelve thousand, four".