12102000202001 has 4 divisors (see below), whose sum is σ = 12213027726900. Its totient is φ = 11990972677104.

The previous prime is 12102000201983. The next prime is 12102000202099. The reversal of 12102000202001 is 10020200020121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8638902518401 + 3463097683600 = 2939201^2 + 1860940^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102000202001 - 2¹⁴ = 12102000185617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102000204001) 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 3 ways as a sum of consecutive naturals, for example, 55513762286 + ... + 55513762503.

It is an arithmetic number, because the mean of its divisors is an integer number (3053256931725).

Almost surely, 2^{12102000202001} is an apocalyptic number.

It is an amenable number.

12102000202001 is a deficient number, since it is larger than the sum of its proper divisors (111027524899).

12102000202001 is a wasteful number, since it uses less digits than its factorization.

12102000202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111027524898.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12102000202001 its reverse (10020200020121), we get a palindrome (22122200222122).

The spelling of 12102000202001 in words is "twelve trillion, one hundred two billion, two hundred two thousand, one".