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12202100001121 = 56498321597287
BaseRepresentation
bin1011000110010000010111…
…0101100000100101100001
31121012111202022212220021011
42301210011311200211201
53044404400100013441
641541322314300521
72366400261456532
oct261440565404541
947174668786234
1012202100001121
113984977384a18
121450a22727741
136a6864aca274
1430282894a689
1516261090c581
hexb1905d60961

12202100001121 has 4 divisors (see below), whose sum is σ = 12202122163392. Its totient is φ = 12202077838852.

The previous prime is 12202100001103. The next prime is 12202100001173. The reversal of 12202100001121 is 12110000120221.

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 12202100001121 - 227 = 12201965783393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202100002121) 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, 10233661 + ... + 11363626.

It is an arithmetic number, because the mean of its divisors is an integer number (3050530540848).

Almost surely, 212202100001121 is an apocalyptic number.

It is an amenable number.

12202100001121 is a deficient number, since it is larger than the sum of its proper divisors (22162271).

12202100001121 is an equidigital number, since it uses as much as digits as its factorization.

12202100001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22162270.

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

Adding to 12202100001121 its reverse (12110000120221), we get a palindrome (24312100121342).

The spelling of 12202100001121 in words is "twelve trillion, two hundred two billion, one hundred million, one thousand, one hundred twenty-one".

Divisors: 1 564983 21597287 12202100001121