641212170701 has 8 divisors (see below), whose sum is σ = 661912900608. Its totient is φ = 620512470000.

The previous prime is 641212170691. The next prime is 641212170707. The reversal of 641212170701 is 107071212146.

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 641212170701 - 2²² = 641207976397 is a prime.

It is a super-2 number, since 2×641212170701² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641212170707) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1127171 + ... + 1597791.

It is an arithmetic number, because the mean of its divisors is an integer number (82739112576).

Almost surely, 2^641212170701 is an apocalyptic number.

It is an amenable number.

641212170701 is a deficient number, since it is larger than the sum of its proper divisors (20700729907).

641212170701 is a wasteful number, since it uses less digits than its factorization.

641212170701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514603.

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 641212170701 its reverse (107071212146), we get a palindrome (748283382847).

The spelling of 641212170701 in words is "six hundred forty-one billion, two hundred twelve million, one hundred seventy thousand, seven hundred one".