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2012202001 is a prime number
BaseRepresentation
bin111011111101111…
…1100010000010001
312012020022110020001
41313323330100101
513110110431001
6531400250001
7100602302065
oct16773742021
95166273201
102012202001
11942921167
12481a70901
13260b5a294
14151353aa5
15bb9c3001
hex77efc411

2012202001 has 2 divisors, whose sum is σ = 2012202002. Its totient is φ = 2012202000.

The previous prime is 2012201993. The next prime is 2012202007. The reversal of 2012202001 is 1002022102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002115025 + 10086976 = 44745^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012202001 - 23 = 2012201993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012202007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006101000 + 1006101001.

It is an arithmetic number, because the mean of its divisors is an integer number (1006101001).

Almost surely, 22012202001 is an apocalyptic number.

It is an amenable number.

2012202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012202001 is an equidigital number, since it uses as much as digits as its factorization.

2012202001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2012202001 is about 44857.5746223534. The cubic root of 2012202001 is about 1262.4781163543.

Adding to 2012202001 its reverse (1002022102), we get a palindrome (3014224103).

The spelling of 2012202001 in words is "two billion, twelve million, two hundred two thousand, one".