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1210797641087 is a prime number
BaseRepresentation
bin10001100111101001001…
…010011100110101111111
311021202021120101002222022
4101213221022130311333
5124314203144003322
62324122135310355
7153322460065136
oct21475112346577
94252246332868
101210797641087
11427550780711
121767b181b3bb
138a240610448
14428625a091d
1521767b06942
hex119e929cd7f

1210797641087 has 2 divisors, whose sum is σ = 1210797641088. Its totient is φ = 1210797641086.

The previous prime is 1210797641069. The next prime is 1210797641147. The reversal of 1210797641087 is 7801467970121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210797641087 - 212 = 1210797636991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210797841087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605398820543 + 605398820544.

It is an arithmetic number, because the mean of its divisors is an integer number (605398820544).

Almost surely, 21210797641087 is an apocalyptic number.

1210797641087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210797641087 is an equidigital number, since it uses as much as digits as its factorization.

1210797641087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The spelling of 1210797641087 in words is "one trillion, two hundred ten billion, seven hundred ninety-seven million, six hundred forty-one thousand, eighty-seven".