12120201101 has 8 divisors (see below), whose sum is σ = 12843948600. Its totient is φ = 11416840960.

The previous prime is 12120201029. The next prime is 12120201103. The reversal of 12120201101 is 10110202121.

It can be written as a sum of positive squares in 4 ways, for example, as 129732100 + 11990469001 = 11390^2 + 109501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120201101 - 2²² = 12116006797 is a prime.

It is a super-2 number, since 2×12120201101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120201103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5095616 + ... + 5097993.

It is an arithmetic number, because the mean of its divisors is an integer number (1605493575).

Almost surely, 2^12120201101 is an apocalyptic number.

It is an amenable number.

12120201101 is a deficient number, since it is larger than the sum of its proper divisors (723747499).

12120201101 is a wasteful number, since it uses less digits than its factorization.

12120201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193679.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120201101 its reverse (10110202121), we get a palindrome (22230403222).

It can be divided in two parts, 1212020 and 1101, that added together give a palindrome (1213121).

The spelling of 12120201101 in words is "twelve billion, one hundred twenty million, two hundred one thousand, one hundred one".