1220333113000 has 32 divisors (see below), whose sum is σ = 2855579486760. Its totient is φ = 488133244800.

The previous prime is 1220333112961. The next prime is 1220333113019. The reversal of 1220333113000 is 3113330221.

It can be written as a sum of positive squares in 4 ways, for example, as 152223264964 + 1068109848036 = 390158^2 + 1033494^2 .

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, 610165557 + ... + 610167556.

Almost surely, 2^{1220333113000} is an apocalyptic number.

1220333113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220333113000 is an abundant number, since it is smaller than the sum of its proper divisors (1635246373760).

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

1220333113000 is a wasteful number, since it uses less digits than its factorization.

1220333113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220333134 (or 1220333120 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1220333113000 its reverse (3113330221), we get a palindrome (1223446443221).

The spelling of 1220333113000 in words is "one trillion, two hundred twenty billion, three hundred thirty-three million, one hundred thirteen thousand".