12202154449 has 2 divisors, whose sum is σ = 12202154450. Its totient is φ = 12202154448.

The previous prime is 12202154389. The next prime is 12202154467. The reversal of 12202154449 is 94445120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12049013824 + 153140625 = 109768^2 + 12375^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202154449 - 2¹¹ = 12202152401 is a prime.

It is not a weakly prime, because it can be changed into another prime (12202194449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101077224 + 6101077225.

It is an arithmetic number, because the mean of its divisors is an integer number (6101077225).

Almost surely, 2^12202154449 is an apocalyptic number.

It is an amenable number.

12202154449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202154449 is an equidigital number, since it uses as much as digits as its factorization.

12202154449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 12202154449 in words is "twelve billion, two hundred two million, one hundred fifty-four thousand, four hundred forty-nine".