22001212112147 has 2 divisors, whose sum is σ = 22001212112148. Its totient is φ = 22001212112146.

The previous prime is 22001212112063. The next prime is 22001212112221. The reversal of 22001212112147 is 74121121210022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22001212112147 - 2¹⁴ = 22001212095763 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001212111147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000606056073 + 11000606056074.

It is an arithmetic number, because the mean of its divisors is an integer number (11000606056074).

Almost surely, 2^{22001212112147} is an apocalyptic number.

22001212112147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001212112147 is an equidigital number, since it uses as much as digits as its factorization.

22001212112147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 22001212112147 its reverse (74121121210022), we get a palindrome (96122333322169).

The spelling of 22001212112147 in words is "twenty-two trillion, one billion, two hundred twelve million, one hundred twelve thousand, one hundred forty-seven".