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12222212100211 = 15251980135669
BaseRepresentation
bin1011000111011011010010…
…0111000101000001110011
31121021102122222100101120001
42301312310213011001303
53100222042244201321
641554450130330431
72401011544500121
oct261666447050163
947242588311501
1012222212100211
113992458109713
1214548b6129a17
136a871b793809
143037b5a92911
15162ddb41cc91
hexb1db49c5073

12222212100211 has 4 divisors (see below), whose sum is σ = 12222292388400. Its totient is φ = 12222131812024.

The previous prime is 12222212100193. The next prime is 12222212100239. The reversal of 12222212100211 is 11200121222221.

12222212100211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12222212100211 - 217 = 12222211969139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222212100011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39915316 + ... + 40220353.

It is an arithmetic number, because the mean of its divisors is an integer number (3055573097100).

Almost surely, 212222212100211 is an apocalyptic number.

12222212100211 is a deficient number, since it is larger than the sum of its proper divisors (80288189).

12222212100211 is an equidigital number, since it uses as much as digits as its factorization.

12222212100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80288188.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12222212100211 its reverse (11200121222221), we get a palindrome (23422333322432).

The spelling of 12222212100211 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred thousand, two hundred eleven".

Divisors: 1 152519 80135669 12222212100211