1205077065213 has 32 divisors (see below), whose sum is σ = 1948543914240. Its totient is φ = 646702709760.

The previous prime is 1205077065197. The next prime is 1205077065217. The reversal of 1205077065213 is 3125607705021.

It is a happy number.

It is not a de Polignac number, because 1205077065213 - 2⁴ = 1205077065197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205077065217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3496558 + ... + 3825711.

It is an arithmetic number, because the mean of its divisors is an integer number (60891997320).

Almost surely, 2^{1205077065213} is an apocalyptic number.

It is an amenable number.

1205077065213 is a deficient number, since it is larger than the sum of its proper divisors (743466849027).

1205077065213 is a wasteful number, since it uses less digits than its factorization.

1205077065213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322757.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 1205077065213 in words is "one trillion, two hundred five billion, seventy-seven million, sixty-five thousand, two hundred thirteen".