445121201212001 has 8 divisors (see below), whose sum is σ = 446253276339624. Its totient is φ = 443989180673280.

The previous prime is 445121201211979. The next prime is 445121201212031. The reversal of 445121201212001 is 100212102121544.

It can be written as a sum of positive squares in 4 ways, for example, as 219364536121600 + 225756665090401 = 14810960^2 + 15025201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445121201212001 - 2⁶ = 445121201211937 is a prime.

It is a super-2 number, since 2×445121201212001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445121201212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706521 + ... + 29959433.

It is an arithmetic number, because the mean of its divisors is an integer number (55781659542453).

Almost surely, 2^{445121201212001} is an apocalyptic number.

It is an amenable number.

445121201212001 is a deficient number, since it is larger than the sum of its proper divisors (1132075127623).

445121201212001 is a wasteful number, since it uses less digits than its factorization.

445121201212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27294451.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 445121201212001 its reverse (100212102121544), we get a palindrome (545333303333545).

The spelling of 445121201212001 in words is "four hundred forty-five trillion, one hundred twenty-one billion, two hundred one million, two hundred twelve thousand, one".