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12213142443211 = 277187923465017
BaseRepresentation
bin1011000110111001100000…
…0001000101010011001011
31121020120020220012002002211
42301232120001011103023
53100100003431140321
641550350140205551
72400241024621333
oct261563001052313
947216226162084
1012213142443211
113989623571116
121452ba48398b7
136a7904764b78
143031953080c3
15162a5a0820e1
hexb1b980454cb

12213142443211 has 8 divisors (see below), whose sum is σ = 12263757007520. Its totient is φ = 12162574813248.

The previous prime is 12213142443197. The next prime is 12213142443233. The reversal of 12213142443211 is 11234424131221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12213142443211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213142443241) 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 in 7 ways as a sum of consecutive naturals, for example, 11212026 + ... + 12252991.

It is an arithmetic number, because the mean of its divisors is an integer number (1532969625940).

Almost surely, 212213142443211 is an apocalyptic number.

12213142443211 is a deficient number, since it is larger than the sum of its proper divisors (50614564309).

12213142443211 is a wasteful number, since it uses less digits than its factorization.

12213142443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467173.

The product of its digits is 9216, while the sum is 31.

Adding to 12213142443211 its reverse (11234424131221), we get a palindrome (23447566574432).

The spelling of 12213142443211 in words is "twelve trillion, two hundred thirteen billion, one hundred forty-two million, four hundred forty-three thousand, two hundred eleven".

Divisors: 1 277 1879 520483 23465017 6499809709 44090766943 12213142443211