1220001323333 has 8 divisors (see below), whose sum is σ = 1315835254776. Its totient is φ = 1124451345600.

The previous prime is 1220001323327. The next prime is 1220001323347. The reversal of 1220001323333 is 3333231000221.

It can be written as a sum of positive squares in 4 ways, for example, as 324966123364 + 895035199969 = 570058^2 + 946063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220001323333 - 2⁸ = 1220001323077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220001323299 and 1220001323308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220001323033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70979498 + ... + 70996683.

It is an arithmetic number, because the mean of its divisors is an integer number (164479406847).

Almost surely, 2^{1220001323333} is an apocalyptic number.

1220001323333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1220001323333 is a deficient number, since it is larger than the sum of its proper divisors (95833931443).

1220001323333 is a wasteful number, since it uses less digits than its factorization.

1220001323333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141976855.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1220001323333 its reverse (3333231000221), we get a palindrome (4553232323554).

The spelling of 1220001323333 in words is "one trillion, two hundred twenty billion, one million, three hundred twenty-three thousand, three hundred thirty-three".