3012125021 has 2 divisors, whose sum is σ = 3012125022. Its totient is φ = 3012125020.

The previous prime is 3012125009. The next prime is 3012125033. The reversal of 3012125021 is 1205212103.

It is a happy number.

3012125021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3012125009) and next prime (3012125033).

It can be written as a sum of positive squares in only one way, i.e., 2360599396 + 651525625 = 48586^2 + 25525^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012125021 - 2¹⁰ = 3012123997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012125041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506062510 + 1506062511.

It is an arithmetic number, because the mean of its divisors is an integer number (1506062511).

Almost surely, 2^3012125021 is an apocalyptic number.

It is an amenable number.

3012125021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012125021 is an equidigital number, since it uses as much as digits as its factorization.

3012125021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 3012125021 is about 54882.8299288584. The cubic root of 3012125021 is about 1444.1899925025.

Adding to 3012125021 its reverse (1205212103), we get a palindrome (4217337124).

The spelling of 3012125021 in words is "three billion, twelve million, one hundred twenty-five thousand, twenty-one".