1217883684201 has 8 divisors (see below), whose sum is σ = 1626476754144. Its totient is φ = 810606535200.

The previous prime is 1217883684197. The next prime is 1217883684271. The reversal of 1217883684201 is 1024863887121.

It is a happy number.

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

It is not a de Polignac number, because 1217883684201 - 2² = 1217883684197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1217883684271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328978075 + ... + 328981776.

It is an arithmetic number, because the mean of its divisors is an integer number (203309594268).

Almost surely, 2^{1217883684201} is an apocalyptic number.

It is an amenable number.

1217883684201 is a deficient number, since it is larger than the sum of its proper divisors (408593069943).

1217883684201 is an equidigital number, since it uses as much as digits as its factorization.

1217883684201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657960471.

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 1217883684201 in words is "one trillion, two hundred seventeen billion, eight hundred eighty-three million, six hundred eighty-four thousand, two hundred one".