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1212120200047 is a prime number
BaseRepresentation
bin10001101000110111111…
…111100111001101101111
311021212200202000001210111
4101220313333213031233
5124324410232400142
62324501302320451
7153400316463151
oct21506777471557
94255622001714
101212120200047
1142806a286849
12176b00729127
138a3c1616503
144294a0b4ad1
15217e3ca0e17
hex11a37fe736f

1212120200047 has 2 divisors, whose sum is σ = 1212120200048. Its totient is φ = 1212120200046.

The previous prime is 1212120200021. The next prime is 1212120200107. The reversal of 1212120200047 is 7400020212121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212120200047 - 231 = 1209972716399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212120207047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606060100023 + 606060100024.

It is an arithmetic number, because the mean of its divisors is an integer number (606060100024).

Almost surely, 21212120200047 is an apocalyptic number.

1212120200047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212120200047 is an equidigital number, since it uses as much as digits as its factorization.

1212120200047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1212120200047 its reverse (7400020212121), we get a palindrome (8612140412168).

The spelling of 1212120200047 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred thousand, forty-seven".