20012124233 has 2 divisors, whose sum is σ = 20012124234. Its totient is φ = 20012124232.

The previous prime is 20012124203. The next prime is 20012124247. The reversal of 20012124233 is 33242121002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18864473104 + 1147651129 = 137348^2 + 33877^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012124233 - 2⁶ = 20012124169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012124203) 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, 10006062116 + 10006062117.

It is an arithmetic number, because the mean of its divisors is an integer number (10006062117).

Almost surely, 2^20012124233 is an apocalyptic number.

It is an amenable number.

20012124233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012124233 is an equidigital number, since it uses as much as digits as its factorization.

20012124233 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 20.

Adding to 20012124233 its reverse (33242121002), we get a palindrome (53254245235).

The spelling of 20012124233 in words is "twenty billion, twelve million, one hundred twenty-four thousand, two hundred thirty-three".