9992122231249 has 2 divisors, whose sum is σ = 9992122231250. Its totient is φ = 9992122231248.

The previous prime is 9992122231241. The next prime is 9992122231433. The reversal of 9992122231249 is 9421322212999.

9992122231249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8988004000000 + 1004118231249 = 2998000^2 + 1002057^2 .

It is a cyclic number.

It is not a de Polignac number, because 9992122231249 - 2³ = 9992122231241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9992122231249.

It is not a weakly prime, because it can be changed into another prime (9992122231241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996061115624 + 4996061115625.

It is an arithmetic number, because the mean of its divisors is an integer number (4996061115625).

Almost surely, 2^{9992122231249} is an apocalyptic number.

It is an amenable number.

9992122231249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992122231249 is an equidigital number, since it uses as much as digits as its factorization.

9992122231249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The spelling of 9992122231249 in words is "nine trillion, nine hundred ninety-two billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred forty-nine".