201201021212077 has 2 divisors, whose sum is σ = 201201021212078. Its totient is φ = 201201021212076.

The previous prime is 201201021212071. The next prime is 201201021212129. The reversal of 201201021212077 is 770212120102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192318678145801 + 8882343066276 = 13867901^2 + 2980326^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201021212077 - 2³ = 201201021212069 is a prime.

It is a super-3 number, since 3×201201021212077³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201021212071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600510606038 + 100600510606039.

It is an arithmetic number, because the mean of its divisors is an integer number (100600510606039).

Almost surely, 2^{201201021212077} is an apocalyptic number.

It is an amenable number.

201201021212077 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201021212077 is an equidigital number, since it uses as much as digits as its factorization.

201201021212077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

Adding to 201201021212077 its reverse (770212120102102), we get a palindrome (971413141314179).

The spelling of 201201021212077 in words is "two hundred one trillion, two hundred one billion, twenty-one million, two hundred twelve thousand, seventy-seven".