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12121480807 is a prime number
BaseRepresentation
bin10110100100111111…
…10001111001100111
31011021202201000200121
423102133301321213
5144311044341212
65322445222411
7606244613122
oct132237617147
934252630617
1012121480807
115160294a37
122423561a07
1311b2389767
1482dc013b9
154ae269d07
hex2d27f1e67

12121480807 has 2 divisors, whose sum is σ = 12121480808. Its totient is φ = 12121480806.

The previous prime is 12121480783. The next prime is 12121480817. The reversal of 12121480807 is 70808412121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121480807 - 215 = 12121448039 is a prime.

It is a super-3 number, since 3×121214808073 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121480817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060740403 + 6060740404.

It is an arithmetic number, because the mean of its divisors is an integer number (6060740404).

Almost surely, 212121480807 is an apocalyptic number.

12121480807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121480807 is an equidigital number, since it uses as much as digits as its factorization.

12121480807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 34.

Adding to 12121480807 its reverse (70808412121), we get a palindrome (82929892928).

The spelling of 12121480807 in words is "twelve billion, one hundred twenty-one million, four hundred eighty thousand, eight hundred seven".