102012212201 has 2 divisors, whose sum is σ = 102012212202. Its totient is φ = 102012212200.

The previous prime is 102012212129. The next prime is 102012212231. The reversal of 102012212201 is 102212210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59090317225 + 42921894976 = 243085^2 + 207176^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012212201 - 2¹⁰ = 102012211177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102012212231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006106100 + 51006106101.

It is an arithmetic number, because the mean of its divisors is an integer number (51006106101).

Almost surely, 2^102012212201 is an apocalyptic number.

It is an amenable number.

102012212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012212201 is an equidigital number, since it uses as much as digits as its factorization.

102012212201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102012212201 its reverse (102212210201), we get a palindrome (204224422402).

The spelling of 102012212201 in words is "one hundred two billion, twelve million, two hundred twelve thousand, two hundred one".