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1212120200107 is a prime number
BaseRepresentation
bin10001101000110111111…
…111100111001110101011
311021212200202000001212201
4101220313333213032223
5124324410232400412
62324501302321031
7153400316463265
oct21506777471653
94255622001781
101212120200107
1142806a2868a3
12176b00729177
138a3c161654b
144294a0b4b35
15217e3ca0e57
hex11a37fe73ab

1212120200107 has 2 divisors, whose sum is σ = 1212120200108. Its totient is φ = 1212120200106.

The previous prime is 1212120200047. The next prime is 1212120200111. The reversal of 1212120200107 is 7010020212121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1212120200107 is a prime.

It is a super-2 number, since 2×12121202001072 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212120200117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606060100053 + 606060100054.

It is an arithmetic number, because the mean of its divisors is an integer number (606060100054).

Almost surely, 21212120200107 is an apocalyptic number.

1212120200107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212120200107 is an equidigital number, since it uses as much as digits as its factorization.

1212120200107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1212120200107 its reverse (7010020212121), we get a palindrome (8222140412228).

The spelling of 1212120200107 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred thousand, one hundred seven".