12202119997 has 2 divisors, whose sum is σ = 12202119998. Its totient is φ = 12202119996.

The previous prime is 12202119991. The next prime is 12202120013. The reversal of 12202119997 is 79991120221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8533879641 + 3668240356 = 92379^2 + 60566^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202119997 - 2³ = 12202119989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202119991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101059998 + 6101059999.

It is an arithmetic number, because the mean of its divisors is an integer number (6101059999).

Almost surely, 2^12202119997 is an apocalyptic number.

It is an amenable number.

12202119997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202119997 is an equidigital number, since it uses as much as digits as its factorization.

12202119997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 12202119997 in words is "twelve billion, two hundred two million, one hundred nineteen thousand, nine hundred ninety-seven".