220212200211985 has 16 divisors (see below), whose sum is σ = 268345038758400. Its totient is φ = 173455251218496.

The previous prime is 220212200211961. The next prime is 220212200212019. The reversal of 220212200211985 is 589112002212022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220212200211985 is a prime.

It is a super-4 number, since 4×220212200211985⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776319534 + ... + 776603143.

It is an arithmetic number, because the mean of its divisors is an integer number (16771564922400).

Almost surely, 2^{220212200211985} is an apocalyptic number.

It is an amenable number.

220212200211985 is a deficient number, since it is larger than the sum of its proper divisors (48132838546415).

220212200211985 is a wasteful number, since it uses less digits than its factorization.

220212200211985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552923120.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 220212200211985 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred million, two hundred eleven thousand, nine hundred eighty-five".