1205130311334 has 24 divisors (see below), whose sum is σ = 2724642443952. Its totient is φ = 384244446960.

The previous prime is 1205130311303. The next prime is 1205130311377. The reversal of 1205130311334 is 4331130315021.

1205130311334 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 13 + 0 + 311 + 334 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1205130311298 and 1205130311307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455470977 + ... + 1455471804.

It is an arithmetic number, because the mean of its divisors is an integer number (113526768498).

Almost surely, 2^{1205130311334} is an apocalyptic number.

1205130311334 is an abundant number, since it is smaller than the sum of its proper divisors (1519512132618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205130311334 is a wasteful number, since it uses less digits than its factorization.

1205130311334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910942812 (or 2910942809 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1205130311334 its reverse (4331130315021), we get a palindrome (5536260626355).

The spelling of 1205130311334 in words is "one trillion, two hundred five billion, one hundred thirty million, three hundred eleven thousand, three hundred thirty-four".