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12230122001021 = 237179129173433
BaseRepresentation
bin1011000111111000110000…
…0100111101001001111101
31121022012002020012222121022
42301332030010331021331
53100334242213013041
642002235051113525
72401411552522331
oct261761404751175
947265066188538
1012230122001021
113995847038221
1214563431428a5
136a93ac44b7b2
14303d263c57c1
15163200a6c24b
hexb1f8c13d27d

12230122001021 has 32 divisors (see below), whose sum is σ = 13115758878720. Its totient is φ = 11378640873600.

The previous prime is 12230122000909. The next prime is 12230122001033. The reversal of 12230122001021 is 12010022103221.

It is a cyclic number.

It is not a de Polignac number, because 12230122001021 - 222 = 12230117806717 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 (12230122001221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166511321 + ... + 166584753.

It is an arithmetic number, because the mean of its divisors is an integer number (409867464960).

Almost surely, 212230122001021 is an apocalyptic number.

It is an amenable number.

12230122001021 is a deficient number, since it is larger than the sum of its proper divisors (885636877699).

12230122001021 is a wasteful number, since it uses less digits than its factorization.

12230122001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74897.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12230122001021 its reverse (12010022103221), we get a palindrome (24240144104242).

The spelling of 12230122001021 in words is "twelve trillion, two hundred thirty billion, one hundred twenty-two million, one thousand, twenty-one".

Divisors: 1 23 71 79 1291 1633 1817 5609 29693 73433 91661 101989 129007 1688959 2108203 2345747 5213743 5801207 7241219 94802003 119916089 133427761 166548037 411885697 2180446069 6730942213 7489358237 9473371031 154811670899 172255239451 531744434827 12230122001021