640210212201 has 8 divisors (see below), whose sum is σ = 975558418624. Its totient is φ = 365834406960.

The previous prime is 640210212181. The next prime is 640210212259. The reversal of 640210212201 is 102212012046.

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

It is not a de Polignac number, because 640210212201 - 2¹⁰ = 640210211177 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: 30486200581 = 640210212201 / (6 + 4 + 0 + 2 + 1 + 0 + 2 + 1 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (640210212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15243100270 + ... + 15243100311.

It is an arithmetic number, because the mean of its divisors is an integer number (121944802328).

Almost surely, 2^640210212201 is an apocalyptic number.

It is an amenable number.

640210212201 is a deficient number, since it is larger than the sum of its proper divisors (335348206423).

640210212201 is a wasteful number, since it uses less digits than its factorization.

640210212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30486200591.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 640210212201 its reverse (102212012046), we get a palindrome (742422224247).

The spelling of 640210212201 in words is "six hundred forty billion, two hundred ten million, two hundred twelve thousand, two hundred one".