12021150529 has 2 divisors, whose sum is σ = 12021150530. Its totient is φ = 12021150528.

The previous prime is 12021150481. The next prime is 12021150569. The reversal of 12021150529 is 92505112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8284640400 + 3736510129 = 91020^2 + 61127^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021150529 - 2¹³ = 12021142337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021150497 and 12021150506.

It is not a weakly prime, because it can be changed into another prime (12021150569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010575264 + 6010575265.

It is an arithmetic number, because the mean of its divisors is an integer number (6010575265).

Almost surely, 2^12021150529 is an apocalyptic number.

It is an amenable number.

12021150529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021150529 is an equidigital number, since it uses as much as digits as its factorization.

12021150529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 12021150529 in words is "twelve billion, twenty-one million, one hundred fifty thousand, five hundred twenty-nine".