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210200121212011 = 7151198864826123
BaseRepresentation
bin101111110010110100000111…
…100011100111110001101011
31000120020221020212020012111221
4233302310013203213301223
5210022404322012241021
62023020334054402511
762163312646135660
oct5762640743476153
91016227225205457
10210200121212011
1160a81409577987
121b6aa237360437
139039a2b896048
1439c9a50d87a67
151947bc2deb241
hexbf2d078e7c6b

210200121212011 has 8 divisors (see below), whose sum is σ = 241819628566784. Its totient is φ = 178978343509800.

The previous prime is 210200121211991. The next prime is 210200121212051. The reversal of 210200121212011 is 110212121002012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210200121212011 - 25 = 210200121211979 is a prime.

It is a super-2 number, since 2×2102001212120112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210200121212051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99432412005 + ... + 99432414118.

It is an arithmetic number, because the mean of its divisors is an integer number (30227453570848).

Almost surely, 2210200121212011 is an apocalyptic number.

210200121212011 is a deficient number, since it is larger than the sum of its proper divisors (31619507354773).

210200121212011 is a wasteful number, since it uses less digits than its factorization.

210200121212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198864826281.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210200121212011 its reverse (110212121002012), we get a palindrome (320412242214023).

The spelling of 210200121212011 in words is "two hundred ten trillion, two hundred billion, one hundred twenty-one million, two hundred twelve thousand, eleven".

Divisors: 1 7 151 1057 198864826123 1392053782861 30028588744573 210200121212011