20120113230143 has 2 divisors, whose sum is σ = 20120113230144. Its totient is φ = 20120113230142.

The previous prime is 20120113230071. The next prime is 20120113230211. The reversal of 20120113230143 is 34103231102102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20120113230143 - 2¹⁰ = 20120113229119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120113230643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060056615071 + 10060056615072.

It is an arithmetic number, because the mean of its divisors is an integer number (10060056615072).

Almost surely, 2^{20120113230143} is an apocalyptic number.

20120113230143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120113230143 is an equidigital number, since it uses as much as digits as its factorization.

20120113230143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20120113230143 its reverse (34103231102102), we get a palindrome (54223344332245).

The spelling of 20120113230143 in words is "twenty trillion, one hundred twenty billion, one hundred thirteen million, two hundred thirty thousand, one hundred forty-three".