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22130012120 = 23519231266019
BaseRepresentation
bin10100100111000011…
…010010111111011000
32010010021112002120112
4110213003102333120
5330310240341440
614055534543452
71412254666526
oct244703227730
963107462515
1022130012120
1194268a6717
124357367b88
132118a73138
1410dd145316
15897c60965
hex5270d2fd8

22130012120 has 64 divisors (see below), whose sum is σ = 54692064000. Its totient is φ = 8021490048.

The previous prime is 22130012119. The next prime is 22130012137. The reversal of 22130012120 is 2121003122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22130012095 and 22130012104.

It is a congruent number.

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, 615530 + ... + 650489.

It is an arithmetic number, because the mean of its divisors is an integer number (854563500).

Almost surely, 222130012120 is an apocalyptic number.

22130012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130012120 is an abundant number, since it is smaller than the sum of its proper divisors (32562051880).

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

22130012120 is a wasteful number, since it uses less digits than its factorization.

22130012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266072 (or 1266068 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22130012120 its reverse (2121003122), we get a palindrome (24251015242).

The spelling of 22130012120 in words is "twenty-two billion, one hundred thirty million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 23 38 40 46 76 92 95 115 152 184 190 230 380 437 460 760 874 920 1748 2185 3496 4370 8740 17480 1266019 2532038 5064076 6330095 10128152 12660190 24054361 25320380 29118437 48108722 50640760 58236874 96217444 116473748 120271805 145592185 192434888 232947496 240543610 291184370 481087220 553250303 582368740 962174440 1106500606 1164737480 2213001212 2766251515 4426002424 5532503030 11065006060 22130012120