1220331223133 has 8 divisors (see below), whose sum is σ = 1336574294496. Its totient is φ = 1104972130000.

The previous prime is 1220331223121. The next prime is 1220331223157. The reversal of 1220331223133 is 3313221330221.

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 1220331223133 - 2²⁸ = 1220062787677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220331213133) 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, 220991666 + ... + 220997187.

It is an arithmetic number, because the mean of its divisors is an integer number (167071786812).

Almost surely, 2^{1220331223133} is an apocalyptic number.

It is an amenable number.

1220331223133 is a deficient number, since it is larger than the sum of its proper divisors (116243071363).

1220331223133 is a wasteful number, since it uses less digits than its factorization.

1220331223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441989115.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1220331223133 its reverse (3313221330221), we get a palindrome (4533552553354).

The spelling of 1220331223133 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, two hundred twenty-three thousand, one hundred thirty-three".