3120212030161 has 2 divisors, whose sum is σ = 3120212030162. Its totient is φ = 3120212030160.

The previous prime is 3120212030129. The next prime is 3120212030183. The reversal of 3120212030161 is 1610302120213.

It is a happy number.

3120212030161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3120212030183) can be obtained adding 3120212030161 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3092167503936 + 28044526225 = 1758456^2 + 167465^2 .

It is an emirp because it is prime and its reverse (1610302120213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3120212030161 - 2⁵ = 3120212030129 is a prime.

It is a super-2 number, since 2×3120212030161² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3120212030861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560106015080 + 1560106015081.

It is an arithmetic number, because the mean of its divisors is an integer number (1560106015081).

Almost surely, 2^{3120212030161} is an apocalyptic number.

It is an amenable number.

3120212030161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120212030161 is an equidigital number, since it uses as much as digits as its factorization.

3120212030161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3120212030161 its reverse (1610302120213), we get a palindrome (4730514150374).

The spelling of 3120212030161 in words is "three trillion, one hundred twenty billion, two hundred twelve million, thirty thousand, one hundred sixty-one".