12233221221013 has 8 divisors (see below), whose sum is σ = 13495561122456. Its totient is φ = 11016784588800.

The previous prime is 12233221221007. The next prime is 12233221221017. The reversal of 12233221221013 is 31012212233221.

It can be written as a sum of positive squares in 4 ways, for example, as 183387784644 + 12049833436369 = 428238^2 + 3471287^2 .

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 12233221221013 - 2¹⁷ = 12233221089941 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 (12233221221017) 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, 11475816748 + ... + 11475817813.

It is an arithmetic number, because the mean of its divisors is an integer number (1686945140307).

Almost surely, 2^{12233221221013} is an apocalyptic number.

12233221221013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12233221221013 is a deficient number, since it is larger than the sum of its proper divisors (1262339901443).

12233221221013 is a wasteful number, since it uses less digits than its factorization.

12233221221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22951634615.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12233221221013 its reverse (31012212233221), we get a palindrome (43245433454234).

The spelling of 12233221221013 in words is "twelve trillion, two hundred thirty-three billion, two hundred twenty-one million, two hundred twenty-one thousand, thirteen".