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1222212068393 is a prime number
BaseRepresentation
bin10001110010010001100…
…001000010010000101001
311022211202001122002121012
4101302101201002100221
5130011042242142033
62333250530153305
7154205361111641
oct21622141022051
94284661562535
101222212068393
11431378938908
12178a58422835
138b33c35b144
144322650d521
1521bd4c59248
hex11c91842429

1222212068393 has 2 divisors, whose sum is σ = 1222212068394. Its totient is φ = 1222212068392.

The previous prime is 1222212068377. The next prime is 1222212068417. The reversal of 1222212068393 is 3938602122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1174420861849 + 47791206544 = 1083707^2 + 218612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222212068393 - 24 = 1222212068377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222212068393.

It is not a weakly prime, because it can be changed into another prime (1222212068303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611106034196 + 611106034197.

It is an arithmetic number, because the mean of its divisors is an integer number (611106034197).

Almost surely, 21222212068393 is an apocalyptic number.

It is an amenable number.

1222212068393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212068393 is an equidigital number, since it uses as much as digits as its factorization.

1222212068393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 1222212068393 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, sixty-eight thousand, three hundred ninety-three".