12020522051 has 2 divisors, whose sum is σ = 12020522052. Its totient is φ = 12020522050.

The previous prime is 12020522023. The next prime is 12020522057. The reversal of 12020522051 is 15022502021.

It is a happy number.

12020522051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020522051 - 2⁶ = 12020521987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12020522057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010261025 + 6010261026.

It is an arithmetic number, because the mean of its divisors is an integer number (6010261026).

Almost surely, 2^12020522051 is an apocalyptic number.

12020522051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020522051 is an equidigital number, since it uses as much as digits as its factorization.

12020522051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 12020522051 in words is "twelve billion, twenty million, five hundred twenty-two thousand, fifty-one".