201212223001401 has 8 divisors (see below), whose sum is σ = 271958073098080. Its totient is φ = 132303927452832.

The previous prime is 201212223001397. The next prime is 201212223001409. The reversal of 201212223001401 is 104100322212102.

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 201212223001401 - 2² = 201212223001397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212223001409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459388636771 + ... + 459388637208.

It is an arithmetic number, because the mean of its divisors is an integer number (33994759137260).

Almost surely, 2^{201212223001401} is an apocalyptic number.

It is an amenable number.

201212223001401 is a deficient number, since it is larger than the sum of its proper divisors (70745850096679).

201212223001401 is an equidigital number, since it uses as much as digits as its factorization.

201212223001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918777274055.

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

Adding to 201212223001401 its reverse (104100322212102), we get a palindrome (305312545213503).

The spelling of 201212223001401 in words is "two hundred one trillion, two hundred twelve billion, two hundred twenty-three million, one thousand, four hundred one".