20120110069 has 2 divisors, whose sum is σ = 20120110070. Its totient is φ = 20120110068.

The previous prime is 20120110033. The next prime is 20120110081. The reversal of 20120110069 is 96001102102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14874729444 + 5245380625 = 121962^2 + 72425^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120110069 - 2²¹ = 20118012917 is a prime.

It is a super-2 number, since 2×20120110069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120110469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060055034 + 10060055035.

It is an arithmetic number, because the mean of its divisors is an integer number (10060055035).

Almost surely, 2^20120110069 is an apocalyptic number.

It is an amenable number.

20120110069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120110069 is an equidigital number, since it uses as much as digits as its factorization.

20120110069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 20120110069 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, sixty-nine".