208612133801 has 8 divisors (see below), whose sum is σ = 215592858624. Its totient is φ = 201647115360.

The previous prime is 208612133773. The next prime is 208612133809. The reversal of 208612133801 is 108331216802.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208612133801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208612133809) 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, 3899585 + ... + 3952718.

It is an arithmetic number, because the mean of its divisors is an integer number (26949107328).

Almost surely, 2^208612133801 is an apocalyptic number.

It is an amenable number.

208612133801 is a deficient number, since it is larger than the sum of its proper divisors (6980724823).

208612133801 is an equidigital number, since it uses as much as digits as its factorization.

208612133801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853191.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 208612133801 in words is "two hundred eight billion, six hundred twelve million, one hundred thirty-three thousand, eight hundred one".