1320221012233 has 4 divisors (see below), whose sum is σ = 1320225019920. Its totient is φ = 1320217004548.

The previous prime is 1320221012219. The next prime is 1320221012261. The reversal of 1320221012233 is 3322101220231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320221012233 - 2³⁷ = 1182782058761 is a prime.

It is a super-2 number, since 2×1320221012233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320221012273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460623 + ... + 2184916.

It is an arithmetic number, because the mean of its divisors is an integer number (330056254980).

Almost surely, 2^{1320221012233} is an apocalyptic number.

It is an amenable number.

1320221012233 is a deficient number, since it is larger than the sum of its proper divisors (4007687).

1320221012233 is an equidigital number, since it uses as much as digits as its factorization.

1320221012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007686.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1320221012233 its reverse (3322101220231), we get a palindrome (4642322232464).

The spelling of 1320221012233 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, twelve thousand, two hundred thirty-three".