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1212102010993 is a prime number
BaseRepresentation
bin10001101000110110111…
…010001110100001110001
311021212122110202222002211
4101220312322032201301
5124324341103322433
62324455412412121
7153400006045636
oct21506672164161
94255573688084
101212102010993
1142805aa93075
12176ab6617041
138a3ba918463
14429478dc18d
15217e23ab8cd
hex11a36e8e871

1212102010993 has 2 divisors, whose sum is σ = 1212102010994. Its totient is φ = 1212102010992.

The previous prime is 1212102010969. The next prime is 1212102011039. The reversal of 1212102010993 is 3990102012121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074307374144 + 137794636849 = 1036488^2 + 371207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212102010993 - 25 = 1212102010961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212102019993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606051005496 + 606051005497.

It is an arithmetic number, because the mean of its divisors is an integer number (606051005497).

Almost surely, 21212102010993 is an apocalyptic number.

It is an amenable number.

1212102010993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212102010993 is an equidigital number, since it uses as much as digits as its factorization.

1212102010993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 1212102010993 in words is "one trillion, two hundred twelve billion, one hundred two million, ten thousand, nine hundred ninety-three".