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122212012127 is a prime number
BaseRepresentation
bin111000111010001100…
…1110101000001011111
3102200110011110110200112
41301310121311001133
54000242233342002
6132050551320235
711554345651232
oct1616431650137
9380404413615
10122212012127
1147914549617
121b82868007b
13b6a856339a
145cb502d419
1532a4296852
hex1c7467505f

122212012127 has 2 divisors, whose sum is σ = 122212012128. Its totient is φ = 122212012126.

The previous prime is 122212012093. The next prime is 122212012141. The reversal of 122212012127 is 721210212221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122212012127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212012157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106006063 + 61106006064.

It is an arithmetic number, because the mean of its divisors is an integer number (61106006064).

Almost surely, 2122212012127 is an apocalyptic number.

122212012127 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212012127 is an equidigital number, since it uses as much as digits as its factorization.

122212012127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 122212012127 its reverse (721210212221), we get a palindrome (843422224348).

The spelling of 122212012127 in words is "one hundred twenty-two billion, two hundred twelve million, twelve thousand, one hundred twenty-seven".