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12210211020001 = 43034328373207
BaseRepresentation
bin1011000110101110100101…
…0010100101110011100001
31121020021200121012100102211
42301223221102211303201
53100023003010120001
641545143221442121
72400105261134101
oct261535122456341
947207617170384
1012210211020001
11398835988a505
121452506b70341
136a7558341417
14302d97c73201
15162937a37351
hexb1ae94a5ce1

12210211020001 has 4 divisors (see below), whose sum is σ = 12210239823552. Its totient is φ = 12210182216452.

The previous prime is 12210211019999. The next prime is 12210211020013. The reversal of 12210211020001 is 10002011201221.

12210211020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12210211020001 - 21 = 12210211019999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210211020101) 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, 13756261 + ... + 14616946.

It is an arithmetic number, because the mean of its divisors is an integer number (3052559955888).

Almost surely, 212210211020001 is an apocalyptic number.

It is an amenable number.

12210211020001 is a deficient number, since it is larger than the sum of its proper divisors (28803551).

12210211020001 is an equidigital number, since it uses as much as digits as its factorization.

12210211020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28803550.

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

Adding to 12210211020001 its reverse (10002011201221), we get a palindrome (22212222221222).

The spelling of 12210211020001 in words is "twelve trillion, two hundred ten billion, two hundred eleven million, twenty thousand, one".

Divisors: 1 430343 28373207 12210211020001