401020212012201 has 24 divisors (see below), whose sum is σ = 583828563368960. Its totient is φ = 265234395265056.

The previous prime is 401020212012193. The next prime is 401020212012223. The reversal of 401020212012201 is 102210212020104.

401020212012201 is a `hidden beast` number, since 40 + 1 + 0 + 202 + 1 + 201 + 220 + 1 = 666.

It is not a de Polignac number, because 401020212012201 - 2³ = 401020212012193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401020212012001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36751410 + ... + 46397268.

Almost surely, 2^{401020212012201} is an apocalyptic number.

It is an amenable number.

401020212012201 is a deficient number, since it is larger than the sum of its proper divisors (182808351356759).

401020212012201 is a wasteful number, since it uses less digits than its factorization.

401020212012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682365 (or 9682362 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 401020212012201 its reverse (102210212020104), we get a palindrome (503230424032305).

The spelling of 401020212012201 in words is "four hundred one trillion, twenty billion, two hundred twelve million, twelve thousand, two hundred one".