3012120121 has 2 divisors, whose sum is σ = 3012120122. Its totient is φ = 3012120120.

The previous prime is 3012120113. The next prime is 3012120143. The reversal of 3012120121 is 1210212103.

3012120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1582448400 + 1429671721 = 39780^2 + 37811^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012120121 - 2³ = 3012120113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3012120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506060060 + 1506060061.

It is an arithmetic number, because the mean of its divisors is an integer number (1506060061).

Almost surely, 2^3012120121 is an apocalyptic number.

It is an amenable number.

3012120121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012120121 is an equidigital number, since it uses as much as digits as its factorization.

3012120121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3012120121 is about 54882.7852882851. The cubic root of 3012120121 is about 1444.1892093860.

Adding to 3012120121 its reverse (1210212103), we get a palindrome (4222332224).

The spelling of 3012120121 in words is "three billion, twelve million, one hundred twenty thousand, one hundred twenty-one".