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12002210200021 = 13191619925191
BaseRepresentation
bin1010111010100111101101…
…1110011011100111010101
31120111101210122221220020111
42232221323132123213111
53033121011302400041
641305423402203021
72346062646263236
oct256517336334725
946441718856214
1012002210200021
113908121840898
12141a137ab3471
13690a5a582b52
142d6ca535308d
1515c311ea4981
hexaea7b79b9d5

12002210200021 has 4 divisors (see below), whose sum is σ = 12093830125344. Its totient is φ = 11910590274700.

The previous prime is 12002210199961. The next prime is 12002210200063. The reversal of 12002210200021 is 12000201220021.

It is a happy number.

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 12002210200021 - 219 = 12002209675733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002210199974 and 12002210200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002210201021) 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, 45809962465 + ... + 45809962726.

It is an arithmetic number, because the mean of its divisors is an integer number (3023457531336).

Almost surely, 212002210200021 is an apocalyptic number.

It is an amenable number.

12002210200021 is a deficient number, since it is larger than the sum of its proper divisors (91619925323).

12002210200021 is an equidigital number, since it uses as much as digits as its factorization.

12002210200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91619925322.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002210200021 its reverse (12000201220021), we get a palindrome (24002411420042).

The spelling of 12002210200021 in words is "twelve trillion, two billion, two hundred ten million, two hundred thousand, twenty-one".

Divisors: 1 131 91619925191 12002210200021