12213302993 has 2 divisors, whose sum is σ = 12213302994. Its totient is φ = 12213302992.

The previous prime is 12213302977. The next prime is 12213303043. The reversal of 12213302993 is 39920331221.

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., 7088461249 + 5124841744 = 84193^2 + 71588^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213302993 - 2⁴ = 12213302977 is a prime.

It is a super-4 number, since 4×12213302993⁴ (a number of 41 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (12213302393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106651496 + 6106651497.

It is an arithmetic number, because the mean of its divisors is an integer number (6106651497).

Almost surely, 2^12213302993 is an apocalyptic number.

It is an amenable number.

12213302993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213302993 is an equidigital number, since it uses as much as digits as its factorization.

12213302993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 12213302993 in words is "twelve billion, two hundred thirteen million, three hundred two thousand, nine hundred ninety-three".