1321223012333 has 4 divisors (see below), whose sum is σ = 1509969156960. Its totient is φ = 1132476867708.

The previous prime is 1321223012327. The next prime is 1321223012341. The reversal of 1321223012333 is 3332103221231.

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 1321223012333 - 2⁸ = 1321223012077 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 (1321223012383) 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, 94373072303 + ... + 94373072316.

It is an arithmetic number, because the mean of its divisors is an integer number (377492289240).

Almost surely, 2^{1321223012333} is an apocalyptic number.

It is an amenable number.

1321223012333 is a deficient number, since it is larger than the sum of its proper divisors (188746144627).

1321223012333 is an equidigital number, since it uses as much as digits as its factorization.

1321223012333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188746144626.

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

Adding to 1321223012333 its reverse (3332103221231), we get a palindrome (4653326233564).

The spelling of 1321223012333 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-three million, twelve thousand, three hundred thirty-three".