445211523122 has 24 divisors (see below), whose sum is σ = 674615097936. Its totient is φ = 220360744344.

The previous prime is 445211523041. The next prime is 445211523191. The reversal of 445211523122 is 221325112544.

It is a super-3 number, since 3×445211523122³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 11 ways as a sum of consecutive naturals, for example, 13392173 + ... + 13425375.

It is an arithmetic number, because the mean of its divisors is an integer number (28108962414).

Almost surely, 2^445211523122 is an apocalyptic number.

445211523122 is a deficient number, since it is larger than the sum of its proper divisors (229403574814).

445211523122 is a wasteful number, since it uses less digits than its factorization.

445211523122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33830 (or 33691 counting only the distinct ones).

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

Adding to 445211523122 its reverse (221325112544), we get a palindrome (666536635666).

The spelling of 445211523122 in words is "four hundred forty-five billion, two hundred eleven million, five hundred twenty-three thousand, one hundred twenty-two".