20120230130293 has 2 divisors, whose sum is σ = 20120230130294. Its totient is φ = 20120230130292.

The previous prime is 20120230130213. The next prime is 20120230130321. The reversal of 20120230130293 is 39203103202102.

It is an a-pointer prime, because the next prime (20120230130321) can be obtained adding 20120230130293 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19255614686884 + 864615443409 = 4388122^2 + 929847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120230130293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120230130213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060115065146 + 10060115065147.

It is an arithmetic number, because the mean of its divisors is an integer number (10060115065147).

Almost surely, 2^{20120230130293} is an apocalyptic number.

It is an amenable number.

20120230130293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120230130293 is an equidigital number, since it uses as much as digits as its factorization.

20120230130293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 20120230130293 its reverse (39203103202102), we get a palindrome (59323333332395).

The spelling of 20120230130293 in words is "twenty trillion, one hundred twenty billion, two hundred thirty million, one hundred thirty thousand, two hundred ninety-three".