205004012241 has 8 divisors (see below), whose sum is σ = 312387066304. Its totient is φ = 117145149840.

The previous prime is 205004012233. The next prime is 205004012273. The reversal of 205004012241 is 142210400502.

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

It is not a de Polignac number, because 205004012241 - 2³ = 205004012233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9762095821 = 205004012241 / (2 + 0 + 5 + 0 + 0 + 4 + 0 + 1 + 2 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205004012221) 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, 4881047890 + ... + 4881047931.

It is an arithmetic number, because the mean of its divisors is an integer number (39048383288).

Almost surely, 2^205004012241 is an apocalyptic number.

205004012241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

205004012241 is a deficient number, since it is larger than the sum of its proper divisors (107383054063).

205004012241 is an equidigital number, since it uses as much as digits as its factorization.

205004012241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762095831.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 205004012241 its reverse (142210400502), we get a palindrome (347214412743).

The spelling of 205004012241 in words is "two hundred five billion, four million, twelve thousand, two hundred forty-one".