112212199609 has 2 divisors, whose sum is σ = 112212199610. Its totient is φ = 112212199608.

The previous prime is 112212199573. The next prime is 112212199621. The reversal of 112212199609 is 906991212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97861357584 + 14350842025 = 312828^2 + 119795^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212199609 - 2¹⁷ = 112212068537 is a prime.

It is not a weakly prime, because it can be changed into another prime (112212199109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106099804 + 56106099805.

It is an arithmetic number, because the mean of its divisors is an integer number (56106099805).

Almost surely, 2^112212199609 is an apocalyptic number.

It is an amenable number.

112212199609 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212199609 is an equidigital number, since it uses as much as digits as its factorization.

112212199609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 112212199609 in words is "one hundred twelve billion, two hundred twelve million, one hundred ninety-nine thousand, six hundred nine".