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1222122022493 is a prime number
BaseRepresentation
bin10001110010001100001…
…001100010011001011101
311022211111210012021211212
4101302030021202121131
5130010401214204433
62333233552154205
7154203215535311
oct21621411423135
94284453167755
101222122022493
11431332026009
12178a32238965
138b3267c1348
144321858db41
1521bcbdbdd48
hex11c8c26265d

1222122022493 has 2 divisors, whose sum is σ = 1222122022494. Its totient is φ = 1222122022492.

The previous prime is 1222122022441. The next prime is 1222122022609. The reversal of 1222122022493 is 3942202212221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943039094404 + 279082928089 = 971102^2 + 528283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222122022493 - 210 = 1222122021469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222122022193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061011246 + 611061011247.

It is an arithmetic number, because the mean of its divisors is an integer number (611061011247).

Almost surely, 21222122022493 is an apocalyptic number.

It is an amenable number.

1222122022493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122022493 is an equidigital number, since it uses as much as digits as its factorization.

1222122022493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 1222122022493 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty-two thousand, four hundred ninety-three".