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12134410220 = 2255996831483
BaseRepresentation
bin10110100110100010…
…00110011111101100
31011022200000220111202
423103101012133230
5144322402111340
65324030305032
7606462533162
oct132321063754
934280026452
1012134410220
115167615aa9
122427958178
1311b4c657ba
14831809232
154b0470c15
hex2d34467ec

12134410220 has 48 divisors (see below), whose sum is σ = 25579411200. Its totient is φ = 4835303616.

The previous prime is 12134410217. The next prime is 12134410271. The reversal of 12134410220 is 2201443121.

It is a super-2 number, since 2×121344102202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12134410192 and 12134410201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8181599 + ... + 8183081.

It is an arithmetic number, because the mean of its divisors is an integer number (532904400).

Almost surely, 212134410220 is an apocalyptic number.

12134410220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12134410220 is an abundant number, since it is smaller than the sum of its proper divisors (13445000980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12134410220 is a wasteful number, since it uses less digits than its factorization.

12134410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12134410220 its reverse (2201443121), we get a palindrome (14335853341).

The spelling of 12134410220 in words is "twelve billion, one hundred thirty-four million, four hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 599 683 1198 1366 1483 2396 2732 2966 2995 3415 5932 5990 6830 7415 11980 13660 14830 29660 409117 818234 888317 1012889 1636468 1776634 2025778 2045585 3553268 4051556 4091170 4441585 5064445 8182340 8883170 10128890 17766340 20257780 606720511 1213441022 2426882044 3033602555 6067205110 12134410220