20124430122133 has 2 divisors, whose sum is σ = 20124430122134. Its totient is φ = 20124430122132.

The previous prime is 20124430122131. The next prime is 20124430122143. The reversal of 20124430122133 is 33122103442102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13232875840804 + 6891554281329 = 3637702^2 + 2625177^2 .

It is a cyclic number.

It is not a de Polignac number, because 20124430122133 - 2¹ = 20124430122131 is a prime.

It is a super-2 number, since 2×20124430122133² (a number of 27 digits) contains 22 as substring.

Together with 20124430122131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20124430122131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062215061066 + 10062215061067.

It is an arithmetic number, because the mean of its divisors is an integer number (10062215061067).

Almost surely, 2^{20124430122133} is an apocalyptic number.

It is an amenable number.

20124430122133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20124430122133 is an equidigital number, since it uses as much as digits as its factorization.

20124430122133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20124430122133 its reverse (33122103442102), we get a palindrome (53246533564235).

The spelling of 20124430122133 in words is "twenty trillion, one hundred twenty-four billion, four hundred thirty million, one hundred twenty-two thousand, one hundred thirty-three".