12021001202011 has 4 divisors (see below), whose sum is σ = 12021169392352. Its totient is φ = 12020833011672.

The previous prime is 12021001201999. The next prime is 12021001202033. The reversal of 12021001202011 is 11020210012021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021001202011 - 2²¹ = 12020999104859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021001201982 and 12021001202000.

It is not an unprimeable number, because it can be changed into a prime (12021001202051) 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, 83987916 + ... + 84130921.

It is an arithmetic number, because the mean of its divisors is an integer number (3005292348088).

Almost surely, 2^{12021001202011} is an apocalyptic number.

12021001202011 is a deficient number, since it is larger than the sum of its proper divisors (168190341).

12021001202011 is an equidigital number, since it uses as much as digits as its factorization.

12021001202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168190340.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021001202011 its reverse (11020210012021), we get a palindrome (23041211214032).

The spelling of 12021001202011 in words is "twelve trillion, twenty-one billion, one million, two hundred two thousand, eleven".