2012143739 has 2 divisors, whose sum is σ = 2012143740. Its totient is φ = 2012143738.

The previous prime is 2012143717. The next prime is 2012143787. The reversal of 2012143739 is 9373412102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012143739 - 2²⁴ = 1995366523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2012143709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006071869 + 1006071870.

It is an arithmetic number, because the mean of its divisors is an integer number (1006071870).

Almost surely, 2^2012143739 is an apocalyptic number.

2012143739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012143739 is an equidigital number, since it uses as much as digits as its factorization.

2012143739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2012143739 is about 44856.9252067058. The cubic root of 2012143739 is about 1262.4659314925.

The spelling of 2012143739 in words is "two billion, twelve million, one hundred forty-three thousand, seven hundred thirty-nine".