1223331243213 has 8 divisors (see below), whose sum is σ = 1633964908576. Its totient is φ = 814125870000.

The previous prime is 1223331243187. The next prime is 1223331243287. The reversal of 1223331243213 is 3123421333221.

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

It is not a de Polignac number, because 1223331243213 - 2¹⁸ = 1223330981069 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 (1223331243713) 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, 357071038 + ... + 357074463.

It is an arithmetic number, because the mean of its divisors is an integer number (204245613572).

Almost surely, 2^{1223331243213} is an apocalyptic number.

It is an amenable number.

1223331243213 is a deficient number, since it is larger than the sum of its proper divisors (410633665363).

1223331243213 is an equidigital number, since it uses as much as digits as its factorization.

1223331243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714146075.

The product of its digits is 15552, while the sum is 30.

Adding to 1223331243213 its reverse (3123421333221), we get a palindrome (4346752576434).

The spelling of 1223331243213 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-one million, two hundred forty-three thousand, two hundred thirteen".