12020033281 has 2 divisors, whose sum is σ = 12020033282. Its totient is φ = 12020033280.

The previous prime is 12020033167. The next prime is 12020033287. The reversal of 12020033281 is 18233002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8563651600 + 3456381681 = 92540^2 + 58791^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020033281 - 2¹³ = 12020025089 is a prime.

It is a super-2 number, since 2×12020033281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12020033287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010016640 + 6010016641.

It is an arithmetic number, because the mean of its divisors is an integer number (6010016641).

Almost surely, 2^12020033281 is an apocalyptic number.

It is an amenable number.

12020033281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020033281 is an equidigital number, since it uses as much as digits as its factorization.

12020033281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 12020033281 in words is "twelve billion, twenty million, thirty-three thousand, two hundred eighty-one".