201201021212076 has 72 divisors (see below), whose sum is σ = 510012390777344. Its totient is φ = 66879658113120.

The previous prime is 201201021212071. The next prime is 201201021212077. The reversal of 201201021212076 is 670212120102102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201201021212071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194109081 + ... + 195142863.

Almost surely, 2^{201201021212076} is an apocalyptic number.

It is an amenable number.

201201021212076 is an abundant number, since it is smaller than the sum of its proper divisors (308811369565268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201201021212076 is a wasteful number, since it uses less digits than its factorization.

201201021212076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048891 (or 1048886 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 201201021212076 its reverse (670212120102102), we get a palindrome (871413141314178).

The spelling of 201201021212076 in words is "two hundred one trillion, two hundred one billion, twenty-one million, two hundred twelve thousand, seventy-six".