445215321122 has 64 divisors (see below), whose sum is σ = 793696264704. Its totient is φ = 184641085440.

The previous prime is 445215321119. The next prime is 445215321139. The reversal of 445215321122 is 221123512544.

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 31 ways as a sum of consecutive naturals, for example, 11841938 + ... + 11879474.

It is an arithmetic number, because the mean of its divisors is an integer number (12401504136).

Almost surely, 2^445215321122 is an apocalyptic number.

445215321122 is a deficient number, since it is larger than the sum of its proper divisors (348480943582).

445215321122 is a wasteful number, since it uses less digits than its factorization.

445215321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38043.

The product of its digits is 19200, while the sum is 32.

Adding to 445215321122 its reverse (221123512544), we get a palindrome (666338833666).

The spelling of 445215321122 in words is "four hundred forty-five billion, two hundred fifteen million, three hundred twenty-one thousand, one hundred twenty-two".