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20121202101167 is a prime number
BaseRepresentation
bin1001001001100110101010…
…00110101000101110101111
32122020120100011121011221122
410210303111012220232233
510114131210214214132
6110443315211451155
74144465100623256
oct444632506505657
978216304534848
1020121202101167
1164583990335a2
12230b759a56abb
13b2c562549a6b
144d7c2b0bd79d
1524d5ea63e912
hex124cd51a8baf

20121202101167 has 2 divisors, whose sum is σ = 20121202101168. Its totient is φ = 20121202101166.

The previous prime is 20121202101071. The next prime is 20121202101173. The reversal of 20121202101167 is 76110120212102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20121202101167 - 222 = 20121197906863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121202101367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060601050583 + 10060601050584.

It is an arithmetic number, because the mean of its divisors is an integer number (10060601050584).

Almost surely, 220121202101167 is an apocalyptic number.

20121202101167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121202101167 is an equidigital number, since it uses as much as digits as its factorization.

20121202101167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 20121202101167 its reverse (76110120212102), we get a palindrome (96231322313269).

The spelling of 20121202101167 in words is "twenty trillion, one hundred twenty-one billion, two hundred two million, one hundred one thousand, one hundred sixty-seven".