12122201587 has 2 divisors, whose sum is σ = 12122201588. Its totient is φ = 12122201586.

The previous prime is 12122201557. The next prime is 12122201617. The reversal of 12122201587 is 78510222121.

It is a balanced prime because it is at equal distance from previous prime (12122201557) and next prime (12122201617).

It is an emirp because it is prime and its reverse (78510222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122201587 - 2¹¹ = 12122199539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122201557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100793 + 6061100794.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100794).

Almost surely, 2^12122201587 is an apocalyptic number.

12122201587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122201587 is an equidigital number, since it uses as much as digits as its factorization.

12122201587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 12122201587 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, five hundred eighty-seven".