201012212220001 has 32 divisors (see below), whose sum is σ = 252647110827776. Its totient is φ = 155693972448000.

The previous prime is 201012212219989. The next prime is 201012212220031. The reversal of 201012212220001 is 100022212210102.

It is a happy number.

It is not a de Polignac number, because 201012212220001 - 2²¹ = 201012210122849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201012212220031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84638910 + ... + 86981431.

It is an arithmetic number, because the mean of its divisors is an integer number (7895222213368).

Almost surely, 2^{201012212220001} is an apocalyptic number.

It is an amenable number.

201012212220001 is a deficient number, since it is larger than the sum of its proper divisors (51634898607775).

201012212220001 is a wasteful number, since it uses less digits than its factorization.

201012212220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171620633.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201012212220001 its reverse (100022212210102), we get a palindrome (301034424430103).

The spelling of 201012212220001 in words is "two hundred one trillion, twelve billion, two hundred twelve million, two hundred twenty thousand, one".