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10131212099 is a prime number
BaseRepresentation
bin10010110111101111…
…00000011101000011
3222011001122220021202
421123313200131003
5131222042241344
64353151011415
7506026611341
oct113367403503
928131586252
1010131212099
114329894668
121b68b09b6b
13c55c3b878
146c175a991
153e467a94e
hex25bde0743

10131212099 has 2 divisors, whose sum is σ = 10131212100. Its totient is φ = 10131212098.

The previous prime is 10131212051. The next prime is 10131212123. The reversal of 10131212099 is 99021213101.

It is a strong prime.

It is an emirp because it is prime and its reverse (99021213101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10131212099 - 232 = 5836244803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10131292099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065606049 + 5065606050.

It is an arithmetic number, because the mean of its divisors is an integer number (5065606050).

Almost surely, 210131212099 is an apocalyptic number.

10131212099 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131212099 is an equidigital number, since it uses as much as digits as its factorization.

10131212099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 10131212099 in words is "ten billion, one hundred thirty-one million, two hundred twelve thousand, ninety-nine".