445165210212 has 24 divisors (see below), whose sum is σ = 1099819931616. Its totient is φ = 139659673728.

The previous prime is 445165210211. The next prime is 445165210247. The reversal of 445165210212 is 212012561544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445165210211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1091090998 + ... + 1091091405.

It is an arithmetic number, because the mean of its divisors is an integer number (45825830484).

Almost surely, 2^445165210212 is an apocalyptic number.

It is an amenable number.

445165210212 is an abundant number, since it is smaller than the sum of its proper divisors (654654721404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445165210212 is a wasteful number, since it uses less digits than its factorization.

445165210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182182427 (or 2182182425 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 445165210212 its reverse (212012561544), we get a palindrome (657177771756).

The spelling of 445165210212 in words is "four hundred forty-five billion, one hundred sixty-five million, two hundred ten thousand, two hundred twelve".