12021202102001 has 4 divisors (see below), whose sum is σ = 12021209312112. Its totient is φ = 12021194891892.

The previous prime is 12021202101989. The next prime is 12021202102027. The reversal of 12021202102001 is 10020120212021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12021202102001 - 2¹⁰ = 12021202100977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021202102061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321230 + ... + 4913816.

It is an arithmetic number, because the mean of its divisors is an integer number (3005302328028).

Almost surely, 2^{12021202102001} is an apocalyptic number.

It is an amenable number.

12021202102001 is a deficient number, since it is larger than the sum of its proper divisors (7210111).

12021202102001 is an equidigital number, since it uses as much as digits as its factorization.

12021202102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7210110.

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

Adding to 12021202102001 its reverse (10020120212021), we get a palindrome (22041322314022).

The spelling of 12021202102001 in words is "twelve trillion, twenty-one billion, two hundred two million, one hundred two thousand, one".