20120112202163 has 2 divisors, whose sum is σ = 20120112202164. Its totient is φ = 20120112202162.

The previous prime is 20120112202049. The next prime is 20120112202199. The reversal of 20120112202163 is 36120221102102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120112202163 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120112204163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060056101081 + 10060056101082.

It is an arithmetic number, because the mean of its divisors is an integer number (10060056101082).

Almost surely, 2^{20120112202163} is an apocalyptic number.

20120112202163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120112202163 is an equidigital number, since it uses as much as digits as its factorization.

20120112202163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20120112202163 its reverse (36120221102102), we get a palindrome (56240333304265).

The spelling of 20120112202163 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, two hundred two thousand, one hundred sixty-three".