12213321032357 has 2 divisors, whose sum is σ = 12213321032358. Its totient is φ = 12213321032356.

The previous prime is 12213321032333. The next prime is 12213321032383. The reversal of 12213321032357 is 75323012331221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11226078085156 + 987242947201 = 3350534^2 + 993601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213321032357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213321032257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106660516178 + 6106660516179.

It is an arithmetic number, because the mean of its divisors is an integer number (6106660516179).

Almost surely, 2^{12213321032357} is an apocalyptic number.

It is an amenable number.

12213321032357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213321032357 is an equidigital number, since it uses as much as digits as its factorization.

12213321032357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 12213321032357 its reverse (75323012331221), we get a palindrome (87536333363578).

The spelling of 12213321032357 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-one million, thirty-two thousand, three hundred fifty-seven".