12021001202051 has 2 divisors, whose sum is σ = 12021001202052. Its totient is φ = 12021001202050.

The previous prime is 12021001202033. The next prime is 12021001202083. The reversal of 12021001202051 is 15020210012021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021001202051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12021001202351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010500601025 + 6010500601026.

It is an arithmetic number, because the mean of its divisors is an integer number (6010500601026).

Almost surely, 2^{12021001202051} is an apocalyptic number.

12021001202051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021001202051 is an equidigital number, since it uses as much as digits as its factorization.

12021001202051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12021001202051 its reverse (15020210012021), we get a palindrome (27041211214072).

The spelling of 12021001202051 in words is "twelve trillion, twenty-one billion, one million, two hundred two thousand, fifty-one".