12100300302121 has 8 divisors (see below), whose sum is σ = 12861935139240. Its totient is φ = 11344204627968.

The previous prime is 12100300302113. The next prime is 12100300302161. The reversal of 12100300302121 is 12120300300121.

It can be written as a sum of positive squares in 4 ways, for example, as 7859830924521 + 4240469377600 = 2803539^2 + 2059240^2 .

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 12100300302121 - 2³ = 12100300302113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100300302095 and 12100300302104.

It is not an unprimeable number, because it can be changed into a prime (12100300302161) 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, 1384786236 + ... + 1384794973.

It is an arithmetic number, because the mean of its divisors is an integer number (1607741892405).

Almost surely, 2^{12100300302121} is an apocalyptic number.

It is an amenable number.

12100300302121 is a deficient number, since it is larger than the sum of its proper divisors (761634837119).

12100300302121 is a wasteful number, since it uses less digits than its factorization.

12100300302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769581483.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12100300302121 its reverse (12120300300121), we get a palindrome (24220600602242).

The spelling of 12100300302121 in words is "twelve trillion, one hundred billion, three hundred million, three hundred two thousand, one hundred twenty-one".