1220000304350 has 12 divisors (see below), whose sum is σ = 2269200566184. Its totient is φ = 488000121720.

The previous prime is 1220000304331. The next prime is 1220000304359. The reversal of 1220000304350 is 534030000221.

It is a happy number.

It is a super-2 number, since 2×1220000304350² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220000304359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12200002994 + ... + 12200003093.

It is an arithmetic number, because the mean of its divisors is an integer number (189100047182).

Almost surely, 2^{1220000304350} is an apocalyptic number.

1220000304350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220000304350 is a deficient number, since it is larger than the sum of its proper divisors (1049200261834).

1220000304350 is a wasteful number, since it uses less digits than its factorization.

1220000304350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400006099 (or 24400006094 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 1220000304350 its reverse (534030000221), we get a palindrome (1754030304571).

The spelling of 1220000304350 in words is "one trillion, two hundred twenty billion, three hundred four thousand, three hundred fifty".