Search a number
-
+
2012102100251 is a prime number
BaseRepresentation
bin11101010001111010101…
…000011000010100011011
321010100120212002020112022
4131101322220120110123
5230431241114202001
64140202535005055
7265240523442125
oct35217250302433
97110525066468
102012102100251
117063671a8931
12285b60b0978b
131179818c6639
146d559c88215
15375156ba11b
hex1d47aa1851b

2012102100251 has 2 divisors, whose sum is σ = 2012102100252. Its totient is φ = 2012102100250.

The previous prime is 2012102100181. The next prime is 2012102100293. The reversal of 2012102100251 is 1520012012102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012102100251 - 214 = 2012102083867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012102100451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006051050125 + 1006051050126.

It is an arithmetic number, because the mean of its divisors is an integer number (1006051050126).

Almost surely, 22012102100251 is an apocalyptic number.

2012102100251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012102100251 is an equidigital number, since it uses as much as digits as its factorization.

2012102100251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 2012102100251 its reverse (1520012012102), we get a palindrome (3532114112353).

The spelling of 2012102100251 in words is "two trillion, twelve billion, one hundred two million, one hundred thousand, two hundred fifty-one".