2013212305729 has 2 divisors, whose sum is σ = 2013212305730. Its totient is φ = 2013212305728.

The previous prime is 2013212305721. The next prime is 2013212305747. The reversal of 2013212305729 is 9275032123102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1176997161025 + 836215144704 = 1084895^2 + 914448^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013212305729 - 2³ = 2013212305721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013212305721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006606152864 + 1006606152865.

It is an arithmetic number, because the mean of its divisors is an integer number (1006606152865).

Almost surely, 2^{2013212305729} is an apocalyptic number.

It is an amenable number.

2013212305729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013212305729 is an equidigital number, since it uses as much as digits as its factorization.

2013212305729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 2013212305729 in words is "two trillion, thirteen billion, two hundred twelve million, three hundred five thousand, seven hundred twenty-nine".