12200220157 has 2 divisors, whose sum is σ = 12200220158. Its totient is φ = 12200220156.

The previous prime is 12200220127. The next prime is 12200220167. The reversal of 12200220157 is 75102200221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7536149721 + 4664070436 = 86811^2 + 68294^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200220157 - 2¹⁹ = 12199695869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200220127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100110078 + 6100110079.

It is an arithmetic number, because the mean of its divisors is an integer number (6100110079).

Almost surely, 2^12200220157 is an apocalyptic number.

It is an amenable number.

12200220157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200220157 is an equidigital number, since it uses as much as digits as its factorization.

12200220157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 12200220157 its reverse (75102200221), we get a palindrome (87302420378).

The spelling of 12200220157 in words is "twelve billion, two hundred million, two hundred twenty thousand, one hundred fifty-seven".