12120200101 has 2 divisors, whose sum is σ = 12120200102. Its totient is φ = 12120200100.

The previous prime is 12120200051. The next prime is 12120200119. The reversal of 12120200101 is 10100202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9672919201 + 2447280900 = 98351^2 + 49470^2 .

It is an emirp because it is prime and its reverse (10100202121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120200101 - 2¹⁵ = 12120167333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120200161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060100050 + 6060100051.

It is an arithmetic number, because the mean of its divisors is an integer number (6060100051).

Almost surely, 2^12120200101 is an apocalyptic number.

It is an amenable number.

12120200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120200101 is an equidigital number, since it uses as much as digits as its factorization.

12120200101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12120200101 its reverse (10100202121), we get a palindrome (22220402222).

The spelling of 12120200101 in words is "twelve billion, one hundred twenty million, two hundred thousand, one hundred one".