2012511565349 has 4 divisors (see below), whose sum is σ = 2059314159936. Its totient is φ = 1965708970764.

The previous prime is 2012511565313. The next prime is 2012511565373. The reversal of 2012511565349 is 9435651152102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012511565349 - 2¹² = 2012511561253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012511565549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23401297229 + ... + 23401297314.

It is an arithmetic number, because the mean of its divisors is an integer number (514828539984).

Almost surely, 2^{2012511565349} is an apocalyptic number.

It is an amenable number.

2012511565349 is a deficient number, since it is larger than the sum of its proper divisors (46802594587).

2012511565349 is an equidigital number, since it uses as much as digits as its factorization.

2012511565349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46802594586.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 2012511565349 in words is "two trillion, twelve billion, five hundred eleven million, five hundred sixty-five thousand, three hundred forty-nine".