12223120228987 has 2 divisors, whose sum is σ = 12223120228988. Its totient is φ = 12223120228986.

The previous prime is 12223120228951. The next prime is 12223120228999. The reversal of 12223120228987 is 78982202132221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223120228987 is a prime.

It is a super-2 number, since 2×12223120228987² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12223120228987.

It is not a weakly prime, because it can be changed into another prime (12223120228087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111560114493 + 6111560114494.

It is an arithmetic number, because the mean of its divisors is an integer number (6111560114494).

Almost surely, 2^{12223120228987} is an apocalyptic number.

12223120228987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223120228987 is an equidigital number, since it uses as much as digits as its factorization.

12223120228987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 12223120228987 in words is "twelve trillion, two hundred twenty-three billion, one hundred twenty million, two hundred twenty-eight thousand, nine hundred eighty-seven".