4445306615212 has 24 divisors (see below), whose sum is σ = 7812968737392. Its totient is φ = 2213030553600.

The previous prime is 4445306615161. The next prime is 4445306615219. The reversal of 4445306615212 is 2125166035444.

It is not an unprimeable number, because it can be changed into a prime (4445306615219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30049387 + ... + 30196957.

It is an arithmetic number, because the mean of its divisors is an integer number (325540364058).

Almost surely, 2^{4445306615212} is an apocalyptic number.

It is an amenable number.

4445306615212 is a deficient number, since it is larger than the sum of its proper divisors (3367662122180).

4445306615212 is a wasteful number, since it uses less digits than its factorization.

4445306615212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180129 (or 180127 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 4445306615212 in words is "four trillion, four hundred forty-five billion, three hundred six million, six hundred fifteen thousand, two hundred twelve".