1220304203134 has 16 divisors (see below), whose sum is σ = 1889753383296. Its totient is φ = 590391619200.

The previous prime is 1220304203089. The next prime is 1220304203221. The reversal of 1220304203134 is 4313024030221.

It is a junction number, because it is equal to n+sod(n) for n = 1220304203099 and 1220304203108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829047 + ... + 1768594.

It is an arithmetic number, because the mean of its divisors is an integer number (118109586456).

Almost surely, 2^{1220304203134} is an apocalyptic number.

1220304203134 is a deficient number, since it is larger than the sum of its proper divisors (669449180162).

1220304203134 is a wasteful number, since it uses less digits than its factorization.

1220304203134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605251.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1220304203134 its reverse (4313024030221), we get a palindrome (5533328233355).

The spelling of 1220304203134 in words is "one trillion, two hundred twenty billion, three hundred four million, two hundred three thousand, one hundred thirty-four".