Search a number
-
+
1212212002207 is a prime number
BaseRepresentation
bin10001101000111101011…
…101110011110110011111
311021212221010202002200111
4101220331131303312133
5124330102233032312
62324514342110451
7153402513003013
oct21507535636637
94255833662614
101212212002207
114281070890a8
12176b2741b427
138a40764980b
1442958370543
15217ebd868a7
hex11a3d773d9f

1212212002207 has 2 divisors, whose sum is σ = 1212212002208. Its totient is φ = 1212212002206.

The previous prime is 1212212002181. The next prime is 1212212002223. The reversal of 1212212002207 is 7022002122121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1212212002207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212212003207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106001103 + 606106001104.

It is an arithmetic number, because the mean of its divisors is an integer number (606106001104).

Almost surely, 21212212002207 is an apocalyptic number.

1212212002207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212002207 is an equidigital number, since it uses as much as digits as its factorization.

1212212002207 is an evil number, because the sum of its binary digits is even.

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

Adding to 1212212002207 its reverse (7022002122121), we get a palindrome (8234214124328).

The spelling of 1212212002207 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two thousand, two hundred seven".