220212201999887 has 2 divisors, whose sum is σ = 220212201999888. Its totient is φ = 220212201999886.

The previous prime is 220212201999857. The next prime is 220212202000027. The reversal of 220212201999887 is 788999102212022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220212201999887 - 2⁸ = 220212201999631 is a prime.

It is a super-3 number, since 3×220212201999887³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212201999827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106100999943 + 110106100999944.

It is an arithmetic number, because the mean of its divisors is an integer number (110106100999944).

Almost surely, 2^{220212201999887} is an apocalyptic number.

220212201999887 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212201999887 is an equidigital number, since it uses as much as digits as its factorization.

220212201999887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 220212201999887 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred one million, nine hundred ninety-nine thousand, eight hundred eighty-seven".