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12002102021101 = 26959445198339
BaseRepresentation
bin1010111010100111010100…
…0001110000101111101101
31120111101112010101211122211
42232221311001300233231
53033120301104133401
641305404535410421
72346060163624633
oct256516501605755
946441463354584
1012002102021101
113908076773425
12141a107823a11
13690a4103765a
142d6c94c33353
1515c307736951
hexaea75070bed

12002102021101 has 4 divisors (see below), whose sum is σ = 12002547246400. Its totient is φ = 12001656795804.

The previous prime is 12002102021093. The next prime is 12002102021113. The reversal of 12002102021101 is 10112020120021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12002102021101 - 23 = 12002102021093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002102021171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222572211 + ... + 222626128.

It is an arithmetic number, because the mean of its divisors is an integer number (3000636811600).

Almost surely, 212002102021101 is an apocalyptic number.

It is an amenable number.

12002102021101 is a deficient number, since it is larger than the sum of its proper divisors (445225299).

12002102021101 is an equidigital number, since it uses as much as digits as its factorization.

12002102021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445225298.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12002102021101 its reverse (10112020120021), we get a palindrome (22114122141122).

The spelling of 12002102021101 in words is "twelve trillion, two billion, one hundred two million, twenty-one thousand, one hundred one".

Divisors: 1 26959 445198339 12002102021101