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1222010020129 is a prime number
BaseRepresentation
bin10001110010000101011…
…110010010000100100001
311022211012222102222111011
4101302011132102010201
5130010134031121004
62333214511420521
7154200355533643
oct21620536220441
94284188388434
101222010020129
11431284886a78
12178a00824741
138b309537762
1443207756893
1521bc2148004
hex11c85792121

1222010020129 has 2 divisors, whose sum is σ = 1222010020130. Its totient is φ = 1222010020128.

The previous prime is 1222010020109. The next prime is 1222010020177. The reversal of 1222010020129 is 9210200102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221964430625 + 45589504 = 1105425^2 + 6752^2 .

It is an emirp because it is prime and its reverse (9210200102221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222010020129 - 217 = 1222009889057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222010020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005010064 + 611005010065.

It is an arithmetic number, because the mean of its divisors is an integer number (611005010065).

Almost surely, 21222010020129 is an apocalyptic number.

It is an amenable number.

1222010020129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222010020129 is an equidigital number, since it uses as much as digits as its factorization.

1222010020129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1222010020129 in words is "one trillion, two hundred twenty-two billion, ten million, twenty thousand, one hundred twenty-nine".