23212000021247 has 2 divisors, whose sum is σ = 23212000021248. Its totient is φ = 23212000021246.

The previous prime is 23212000021181. The next prime is 23212000021261. The reversal of 23212000021247 is 74212000021232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23212000021247 - 2¹⁸ = 23211999759103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212000021747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606000010623 + 11606000010624.

It is an arithmetic number, because the mean of its divisors is an integer number (11606000010624).

Almost surely, 2^{23212000021247} is an apocalyptic number.

23212000021247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212000021247 is an equidigital number, since it uses as much as digits as its factorization.

23212000021247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 23212000021247 its reverse (74212000021232), we get a palindrome (97424000042479).

The spelling of 23212000021247 in words is "twenty-three trillion, two hundred twelve billion, twenty-one thousand, two hundred forty-seven".