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2212140121 = 83912492111
BaseRepresentation
bin1000001111011010…
…1001010001011001
312201011112100202121
42003312221101121
514012301440441
61003301501241
7105550611052
oct20366512131
95634470677
102212140121
11a35771684
12518a11821
132933c2369
1416db1b729
15ce318dd1
hex83da9459

2212140121 has 8 divisors (see below), whose sum is σ = 2217600000. Its totient is φ = 2206688640.

The previous prime is 2212140071. The next prime is 2212140131. The reversal of 2212140121 is 1210412122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212140121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212140095 and 2212140104.

It is not an unprimeable number, because it can be changed into a prime (2212140131) 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, 1046856 + ... + 1048966.

It is an arithmetic number, because the mean of its divisors is an integer number (277200000).

Almost surely, 22212140121 is an apocalyptic number.

It is an amenable number.

2212140121 is a deficient number, since it is larger than the sum of its proper divisors (5459879).

2212140121 is a wasteful number, since it uses less digits than its factorization.

2212140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2212140121 is about 47033.3936793849. The cubic root of 2212140121 is about 1302.9793836917.

Adding to 2212140121 its reverse (1210412122), we get a palindrome (3422552243).

The spelling of 2212140121 in words is "two billion, two hundred twelve million, one hundred forty thousand, one hundred twenty-one".

Divisors: 1 839 1249 2111 1047911 1771129 2636639 2212140121