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12230312221001 = 72182180069083
BaseRepresentation
bin1011000111111001011101…
…1010100101100101001001
31121022012120111011011100202
42301332113122211211021
53100340134412033001
642002310004141545
72401416352414460
oct261762732454511
947265514134322
1012230312221001
113995934450316
1214563969978b5
136a940c9903b4
14303d4377d9d7
151632125e396b
hexb1f976a5949

12230312221001 has 8 divisors (see below), whose sum is σ = 13978140408384. Its totient is φ = 10482644215440.

The previous prime is 12230312220983. The next prime is 12230312221021. The reversal of 12230312221001 is 10012221303221.

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 12230312221001 - 210 = 12230312219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230312221021) 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, 39881795 + ... + 40187288.

It is an arithmetic number, because the mean of its divisors is an integer number (1747267551048).

Almost surely, 212230312221001 is an apocalyptic number.

It is an amenable number.

12230312221001 is a deficient number, since it is larger than the sum of its proper divisors (1747828187383).

12230312221001 is an equidigital number, since it uses as much as digits as its factorization.

12230312221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80090911.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12230312221001 its reverse (10012221303221), we get a palindrome (22242533524222).

The spelling of 12230312221001 in words is "twelve trillion, two hundred thirty billion, three hundred twelve million, two hundred twenty-one thousand, one".

Divisors: 1 7 21821 152747 80069083 560483581 1747187460143 12230312221001