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12122100022111 = 175053914109197
BaseRepresentation
bin1011000001100110010101…
…1101110011101101011111
31120220212020222210220001121
42300121211131303231133
53042102030101201421
641440452121151411
72360535640043242
oct260314535635537
946825228726047
1012122100022111
113953a54492692
12143941692b567
1369c1559a1b91
142dc9d9bb9259
151604cc444d41
hexb0665773b5f

12122100022111 has 8 divisors (see below), whose sum is σ = 12835419604560. Its totient is φ = 11408808759168.

The previous prime is 12122100022093. The next prime is 12122100022121. The reversal of 12122100022111 is 11122000122121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122100022111 - 25 = 12122100022079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122100022121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6195436 + ... + 7913761.

It is an arithmetic number, because the mean of its divisors is an integer number (1604427450570).

Almost surely, 212122100022111 is an apocalyptic number.

12122100022111 is a deficient number, since it is larger than the sum of its proper divisors (713319582449).

12122100022111 is a wasteful number, since it uses less digits than its factorization.

12122100022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14159753.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122100022111 its reverse (11122000122121), we get a palindrome (23244100144232).

The spelling of 12122100022111 in words is "twelve trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, one hundred eleven".

Divisors: 1 17 50539 859163 14109197 239856349 713064707183 12122100022111