3012665640205 has 32 divisors (see below), whose sum is σ = 3959576006400. Its totient is φ = 2186866209792.

The previous prime is 3012665640169. The next prime is 3012665640211. The reversal of 3012665640205 is 5020465662103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3012665640205 - 2²⁵ = 3012632085773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78095832 + ... + 78134398.

It is an arithmetic number, because the mean of its divisors is an integer number (123736750200).

Almost surely, 2^{3012665640205} is an apocalyptic number.

It is an amenable number.

3012665640205 is a deficient number, since it is larger than the sum of its proper divisors (946910366195).

3012665640205 is a wasteful number, since it uses less digits than its factorization.

3012665640205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59013.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 3012665640205 in words is "three trillion, twelve billion, six hundred sixty-five million, six hundred forty thousand, two hundred five".