1220743006604 has 12 divisors (see below), whose sum is σ = 2330509376328. Its totient is φ = 554883184800.

The previous prime is 1220743006597. The next prime is 1220743006627. The reversal of 1220743006604 is 4066003470221.

It is a super-2 number, since 2×1220743006604² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13872079577 + ... + 13872079664.

It is an arithmetic number, because the mean of its divisors is an integer number (194209114694).

Almost surely, 2^{1220743006604} is an apocalyptic number.

It is an amenable number.

1220743006604 is a deficient number, since it is larger than the sum of its proper divisors (1109766369724).

1220743006604 is a wasteful number, since it uses less digits than its factorization.

1220743006604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27744159256 (or 27744159254 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 1220743006604 its reverse (4066003470221), we get a palindrome (5286746476825).

The spelling of 1220743006604 in words is "one trillion, two hundred twenty billion, seven hundred forty-three million, six thousand, six hundred four".