2012102539 has 2 divisors, whose sum is σ = 2012102540. Its totient is φ = 2012102538.

The previous prime is 2012102531. The next prime is 2012102551. The reversal of 2012102539 is 9352012102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012102539 - 2³ = 2012102531 is a prime.

It is a super-3 number, since 3×2012102539³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2012102531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006051269 + 1006051270.

It is an arithmetic number, because the mean of its divisors is an integer number (1006051270).

Almost surely, 2^2012102539 is an apocalyptic number.

2012102539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012102539 is an equidigital number, since it uses as much as digits as its factorization.

2012102539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2012102539 is about 44856.4659664579. The cubic root of 2012102539 is about 1262.4573148199.

The spelling of 2012102539 in words is "two billion, twelve million, one hundred two thousand, five hundred thirty-nine".