10001240205 has 16 divisors (see below), whose sum is σ = 17456710464. Its totient is φ = 4849086080.

The previous prime is 10001240191. The next prime is 10001240239. The reversal of 10001240205 is 50204210001.

It is not a de Polignac number, because 10001240205 - 2⁶ = 10001240141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30306624 + ... + 30306953.

It is an arithmetic number, because the mean of its divisors is an integer number (1091044404).

Almost surely, 2^10001240205 is an apocalyptic number.

10001240205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10001240205 is a deficient number, since it is larger than the sum of its proper divisors (7455470259).

10001240205 is a wasteful number, since it uses less digits than its factorization.

10001240205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60613596.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 10001240205 its reverse (50204210001), we get a palindrome (60205450206).

The spelling of 10001240205 in words is "ten billion, one million, two hundred forty thousand, two hundred five".