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1211200002007 is a prime number
BaseRepresentation
bin10001101000000001001…
…001010101011111010111
311021210022121111011101121
4101220001021111133113
5124321014200031012
62324230111304411
7153335444102062
oct21500111253727
94253277434347
101211200002007
114277379093a6
121768a451b107
138a2a5a9a528
144289dbbb8d9
152178d0d4a07
hex11a012557d7

1211200002007 has 2 divisors, whose sum is σ = 1211200002008. Its totient is φ = 1211200002006.

The previous prime is 1211200001989. The next prime is 1211200002037. The reversal of 1211200002007 is 7002000021121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211200002007 - 235 = 1176840263639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211200002037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605600001003 + 605600001004.

It is an arithmetic number, because the mean of its divisors is an integer number (605600001004).

Almost surely, 21211200002007 is an apocalyptic number.

1211200002007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211200002007 is an equidigital number, since it uses as much as digits as its factorization.

1211200002007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 1211200002007 its reverse (7002000021121), we get a palindrome (8213200023128).

The spelling of 1211200002007 in words is "one trillion, two hundred eleven billion, two hundred million, two thousand, seven".