1222532148109 has 2 divisors, whose sum is σ = 1222532148110. Its totient is φ = 1222532148108.

The previous prime is 1222532148091. The next prime is 1222532148113. The reversal of 1222532148109 is 9018412352221.

Together with previous prime (1222532148091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854659572484 + 367872575625 = 924478^2 + 606525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222532148109 - 2²⁷ = 1222397930381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222532158109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611266074054 + 611266074055.

It is an arithmetic number, because the mean of its divisors is an integer number (611266074055).

Almost surely, 2^{1222532148109} is an apocalyptic number.

It is an amenable number.

1222532148109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222532148109 is an equidigital number, since it uses as much as digits as its factorization.

1222532148109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 1222532148109 in words is "one trillion, two hundred twenty-two billion, five hundred thirty-two million, one hundred forty-eight thousand, one hundred nine".